XML 33 R40.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Earnings Per Share (Detail) (USD $) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Feb. 28, 2015 | Mar. 01, 2014 | Feb. 28, 2015 | Mar. 01, 2014
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Income from continuing operations | $ (2,198,000)us-gaap_IncomeLossFromContinuingOperations | $ (112,000)us-gaap_IncomeLossFromContinuingOperations | $ (3,425,000)us-gaap_IncomeLossFromContinuingOperations | $ 2,498,000 us-gaap_IncomeLossFromContinuingOperations
Income (loss) from discontinued operations, net of tax | 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | (420,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | 87,000 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | (538,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
Net income (loss) | (2,198,000)us-gaap_NetIncomeLoss | (532,000)us-gaap_NetIncomeLoss | (3,338,000)us-gaap_NetIncomeLoss | 1,960,000 us-gaap_NetIncomeLoss
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |
Antidilutive securities excluded from computation of earnings per share (in shares) | 886,064 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 512,064 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 726,564 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 512,064 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Common Stock |  |  |  |
Denominator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Weighted average shares, basic (in shares) | 11,604,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 11,832,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 11,733,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 11,942,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Weighted average shares, diluted (in shares) | 13,745,000 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 14,140,000 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 13,887,000 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 14,335,000 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Weighted average shares and shares under if-coverted method for diluted EPS, basic (in shares) | $ (0.16)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ (0.01)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ (0.25)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ 0.18 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Weighted average shares and shares under if-coverted method for diluted EPS, diluted (in shares) | $ (0.16)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ (0.01)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ (0.25)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ 0.17 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |
Net income per share, basic (in dollars per share) | $ (0.16)us-gaap_EarningsPerShareBasic / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ (0.04)us-gaap_EarningsPerShareBasic / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ (0.24)us-gaap_EarningsPerShareBasic / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ 0.14 us-gaap_EarningsPerShareBasic / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Net income per share, diluted (in dollars per share) | $ (0.16)us-gaap_EarningsPerShareDiluted / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ (0.04)us-gaap_EarningsPerShareDiluted / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ (0.24)us-gaap_EarningsPerShareDiluted / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ 0.13 us-gaap_EarningsPerShareDiluted / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Class B Common Stock |  |  |  |
Denominator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Weighted average shares, basic (in shares) | 2,141,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | 2,191,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | 2,154,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | 2,270,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
Weighted average shares, diluted (in shares) | 2,141,000 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | 2,191,000 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | 2,154,000 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | 2,270,000 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
Weighted average shares and shares under if-coverted method for diluted EPS, basic (in shares) | $ (0.15)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | $ (0.01)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | $ (0.22)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | $ 0.16 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
Weighted average shares and shares under if-coverted method for diluted EPS, diluted (in shares) | $ (0.15)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | $ (0.01)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | $ (0.22)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | $ 0.16 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |
Net income per share, basic (in dollars per share) | $ (0.15)us-gaap_EarningsPerShareBasic / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | $ (0.04)us-gaap_EarningsPerShareBasic / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | $ (0.21)us-gaap_EarningsPerShareBasic / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | $ 0.13 us-gaap_EarningsPerShareBasic / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
Net income per share, diluted (in dollars per share) | $ (0.15)us-gaap_EarningsPerShareDiluted / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | $ (0.04)us-gaap_EarningsPerShareDiluted / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | $ (0.21)us-gaap_EarningsPerShareDiluted / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | $ 0.13 us-gaap_EarningsPerShareDiluted / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
Basic |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Undistributed basic earnings (losses) | (3,005)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember | (1,360)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember | (5,791)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember | (553)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember
Net income (loss) | (2,198)us-gaap_NetIncomeLoss / rell_EarningsTypeAxis = rell_BasicMember | (532)us-gaap_NetIncomeLoss / rell_EarningsTypeAxis = rell_BasicMember | (3,338)us-gaap_NetIncomeLoss / rell_EarningsTypeAxis = rell_BasicMember | 1,960 us-gaap_NetIncomeLoss / rell_EarningsTypeAxis = rell_BasicMember
Basic | Common Stock |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Dividends | 691 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 710 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 2,103 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 2,143 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Undistributed basic earnings (losses) | (2,577)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | (1,166)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | (4,970)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | (472)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Denominator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Weighted average shares, basic (in shares) | 11,604 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 11,832 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 11,733 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 11,942 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |
Net income per share, basic (in dollars per share) | $ (0.16)us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ (0.04)us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ (0.24)us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ 0.14 us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Basic | Class B Common Stock |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Dividends | 116 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | 118 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | 350 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | 370 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
Undistributed basic earnings (losses) | (428)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | (194)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | (821)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | (81)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
Denominator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Weighted average shares and shares under if-coverted method for diluted EPS, basic (in shares) | $ 2,141 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | $ 2,191 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | $ 2,154 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | $ 2,270 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |
Net income per share, basic (in dollars per share) | $ (0.15)us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | $ (0.04)us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | $ (0.21)us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | $ 0.13 us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
Basic | Continuing Operations |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Income from continuing operations | (2,198)us-gaap_IncomeLossFromContinuingOperations / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | (112)us-gaap_IncomeLossFromContinuingOperations / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | (3,425)us-gaap_IncomeLossFromContinuingOperations / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | 2,498 us-gaap_IncomeLossFromContinuingOperations / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember
Undistributed basic earnings (losses) | (3,005)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | (940)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | (5,878)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | (15)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember
Basic | Continuing Operations | Common Stock |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Dividends | 691 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | 710 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | 2,103 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | 2,143 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember
Undistributed basic earnings (losses) | (2,577)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | (806)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | (5,045)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | (13)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |
Net income per share, basic (in dollars per share) | $ (0.16)us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | $ (0.01)us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | $ (0.25)us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | $ 0.18 us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember
Basic | Continuing Operations | Class B Common Stock |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Dividends | 116 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | 118 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | 350 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | 370 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember
Undistributed basic earnings (losses) | (428)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | (134)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | (833)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | (2)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |
Net income per share, basic (in dollars per share) | $ (0.15)us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | $ (0.01)us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | $ (0.22)us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | $ 0.16 us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember
Basic | Discontinued Operations |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Undistributed basic earnings (losses) | (807)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | (1,248)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | (2,366)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | (3,051)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember
Income (loss) from discontinued operations, net of tax | 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | (420)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | 87 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | (538)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember
Basic | Discontinued Operations | Common Stock |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Dividends | 691 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | 710 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | 2,103 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | 2,143 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember
Undistributed basic earnings (losses) | (692)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | (1,070)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | (2,031)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | (2,605)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |
Net income per share, basic (in dollars per share) | $ 0.00 us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | $ (0.03)us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | $ 0.01 us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | $ (0.04)us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember
Basic | Discontinued Operations | Class B Common Stock |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Dividends | 116 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | 118 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | 350 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | 370 us-gaap_Dividends / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember
Undistributed basic earnings (losses) | (115)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | (178)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | (335)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | (446)us-gaap_UndistributedEarnings / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |
Net income per share, basic (in dollars per share) | $ 0.00 us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | $ (0.03)us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | $ 0.01 us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | $ (0.03)us-gaap_EarningsPerShareBasic / rell_EarningsTypeAxis = rell_BasicMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember
Diluted |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Undistributed diluted earnings (losses) | (3,005)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember | (1,360)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember | (5,791)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember | (553)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember
Net income (loss) | (2,198)us-gaap_NetIncomeLoss / rell_EarningsTypeAxis = rell_DilutedMember | (532)us-gaap_NetIncomeLoss / rell_EarningsTypeAxis = rell_DilutedMember | (3,338)us-gaap_NetIncomeLoss / rell_EarningsTypeAxis = rell_DilutedMember | 1,960 us-gaap_NetIncomeLoss / rell_EarningsTypeAxis = rell_DilutedMember
Denominator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Weighted average shares, diluted (in shares) | 11,604 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding / rell_EarningsTypeAxis = rell_DilutedMember | 11,832 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding / rell_EarningsTypeAxis = rell_DilutedMember | 11,733 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding / rell_EarningsTypeAxis = rell_DilutedMember | 11,942 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding / rell_EarningsTypeAxis = rell_DilutedMember
Weighted average shares and shares under if-coverted method for diluted EPS, diluted (in shares) | $ 2,141 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare / rell_EarningsTypeAxis = rell_DilutedMember | $ 2,191 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare / rell_EarningsTypeAxis = rell_DilutedMember | $ 2,154 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare / rell_EarningsTypeAxis = rell_DilutedMember | $ 2,270 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare / rell_EarningsTypeAxis = rell_DilutedMember
Effect of dilutive securities dilutive stock options (in shares) | 0 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements / rell_EarningsTypeAxis = rell_DilutedMember | 117 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements / rell_EarningsTypeAxis = rell_DilutedMember | 0 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements / rell_EarningsTypeAxis = rell_DilutedMember | 123 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements / rell_EarningsTypeAxis = rell_DilutedMember
Denominator for diluted EPS adjusted for weighted average shares and assumed conversions (in shares) | 13,745 us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment / rell_EarningsTypeAxis = rell_DilutedMember | 14,140 us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment / rell_EarningsTypeAxis = rell_DilutedMember | 13,887 us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment / rell_EarningsTypeAxis = rell_DilutedMember | 14,335 us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment / rell_EarningsTypeAxis = rell_DilutedMember
Diluted | Common Stock |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Dividends | 691 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 710 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 2,103 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 2,143 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Undistributed diluted earnings (losses) | (2,577)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | (1,166)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | (4,970)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | (473)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |
Net income per share, diluted (in dollars per share) | $ (0.16)us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ (0.04)us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ (0.24)us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ 0.13 us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Diluted | Class B Common Stock |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Dividends | 116 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | 118 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | 350 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | 370 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
Undistributed diluted earnings (losses) | (428)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | (194)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | (821)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | (80)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |
Net income per share, diluted (in dollars per share) | $ (0.15)us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | $ (0.04)us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | $ (0.21)us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember | $ 0.13 us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember
Diluted | Continuing Operations |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Income from continuing operations | (2,198)us-gaap_IncomeLossFromContinuingOperations / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | (112)us-gaap_IncomeLossFromContinuingOperations / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | (3,425)us-gaap_IncomeLossFromContinuingOperations / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | 2,498 us-gaap_IncomeLossFromContinuingOperations / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember
Undistributed diluted earnings (losses) | (3,005)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | (940)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | (5,878)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | (15)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember
Diluted | Continuing Operations | Common Stock |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Dividends | 691 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | 710 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | 2,103 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | 2,143 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember
Undistributed diluted earnings (losses) | (2,577)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | (806)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | (5,045)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | (13)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |
Net income per share, diluted (in dollars per share) | $ (0.16)us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | $ (0.01)us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | $ (0.25)us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | $ 0.17 us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember
Diluted | Continuing Operations | Class B Common Stock |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Dividends | 116 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | 118 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | 350 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | 370 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember
Undistributed diluted earnings (losses) | (428)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | (134)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | (833)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | (2)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |
Net income per share, diluted (in dollars per share) | $ (0.15)us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | $ (0.01)us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | $ (0.22)us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember | $ 0.16 us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember
Diluted | Discontinued Operations |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Undistributed diluted earnings (losses) | (807)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | (1,248)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | (2,366)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | (3,051)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember
Income (loss) from discontinued operations, net of tax | 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | (420)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | 87 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | (538)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember
Diluted | Discontinued Operations | Common Stock |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Dividends | 691 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | 710 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | 2,103 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | 2,143 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember
Undistributed diluted earnings (losses) | (692)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | (1,070)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | (2,031)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | (2,609)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |
Net income per share, diluted (in dollars per share) | $ 0.00 us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | $ (0.03)us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | $ 0.01 us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | $ (0.04)us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember
Diluted | Discontinued Operations | Class B Common Stock |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |
Dividends | 116 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | 118 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | 350 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | 370 us-gaap_Dividends / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember
Undistributed diluted earnings (losses) | $ (115)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | $ (178)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | $ (335)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | $ (442)us-gaap_UndistributedEarningsDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |
Net income per share, diluted (in dollars per share) | $ 0.00 us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | $ (0.03)us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | $ 0.01 us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember | $ (0.03)us-gaap_EarningsPerShareDiluted / rell_EarningsTypeAxis = rell_DilutedMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember

X
- Details
Name: | rell_DenominatorforBasicandDilutedEarningsPerShareAbstract
Namespace Prefix: | rell_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | rell_NumeratorforBasicandDilutedEarningsPerShareAbstract
Namespace Prefix: | rell_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Antidilution -URI http://asc.fasb.org/extlink&oid=6505113 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Diluted Earnings Per Share -URI http://asc.fasb.org/extlink&oid=6510752 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Contingent Stock Agreement -URI http://asc.fasb.org/extlink&oid=6508534 + Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817 + Details
Name: | us-gaap_Dividends
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=32703322&loc=d3e4984-109258 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.19) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.23) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 18 -Article 7 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 5 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 21 -Article 9 + Details
Name: | us-gaap_EarningsPerShareBasic
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_EarningsPerShareBasicAndDilutedAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 18 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 21 -Article 9 + Details
Name: | us-gaap_EarningsPerShareDiluted
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4613673-111683 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.13) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_IncomeLossFromContinuingOperations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.19) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.23) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 18 -Article 7 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 5 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 21 -Article 9 + Details
Name: | us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 18 -Article 7 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 5 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 21 -Article 9 + Details
Name: | us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.12) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 13 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.14) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Article 5 + Details
Name: | us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 28A -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1500-109256 + Details
Name: | us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=6519514 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=6518256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.19) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.18) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.22) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 5 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 20 -Article 9 + Details
Name: | us-gaap_NetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The earnings that is allocated to common stock and participating securities to the extent that each security may share in earnings as if all of the earnings for the period had been distributed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 60B -URI http://asc.fasb.org/extlink&oid=7655603&loc=SL5780133-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 60A -URI http://asc.fasb.org/extlink&oid=7655603&loc=SL5780132-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 60 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e2740-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 66 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e2814-109256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 65 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e2793-109256 + Details
Name: | us-gaap_UndistributedEarnings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The earnings that is allocated to common stock and participating securities to the extent that each security may share in earnings as if all of the earnings for the period had been distributed. Includes the adjustments resulting from the assumption that dilutive securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions. + References No definition available. + Details
Name: | us-gaap_UndistributedEarningsDiluted
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1505-109256 + Details
Name: | us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1448-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Weighted-Average Number of Common Shares Outstanding -URI http://asc.fasb.org/extlink&oid=6528421 + Details
Name: | us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | rell_EarningsTypeAxis=rell_BasicMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | rell_EarningsTypeAxis=rell_DilutedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |