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Note 12 - Summarized Financial Information for Reportable Segments (Details) (USD $) | 3 Months Ended | 9 Months Ended | 21 Months Ended
--- | --- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014
| $ 11,147,000 us-gaap_Revenues | $ 9,204,000 us-gaap_Revenues |  | $ 31,926,000 us-gaap_Revenues | $ 26,650,000 us-gaap_Revenues |  |
(Loss) income from operations | (263,000)us-gaap_IncomeLossFromContinuingOperations | 446,000 us-gaap_IncomeLossFromContinuingOperations |  | (2,050,000)us-gaap_IncomeLossFromContinuingOperations | 2,284,000 us-gaap_IncomeLossFromContinuingOperations |  |
Income (loss) before taxes | 13,000 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 1,161,000 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments |  | (564,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 4,086,000 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments |  | 4,086,000 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Provision for (benefit from) income taxes | (25,000)us-gaap_IncomeTaxExpenseBenefit | 335,000 us-gaap_IncomeTaxExpenseBenefit |  | (15,000)us-gaap_IncomeTaxExpenseBenefit | 1,275,000 us-gaap_IncomeTaxExpenseBenefit |  | 1,275,000 us-gaap_IncomeTaxExpenseBenefit
Net (loss) income | 38,000 us-gaap_NetIncomeLoss | 826,000 us-gaap_NetIncomeLoss |  | (549,000)us-gaap_NetIncomeLoss | 2,811,000 us-gaap_NetIncomeLoss |  |
Total assets | 235,683,000 us-gaap_Assets | 173,751,000 us-gaap_Assets |  | 235,683,000 us-gaap_Assets | 173,751,000 us-gaap_Assets |  | 235,683,000 us-gaap_Assets
Capital expenditures | 194,000 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | 102,000 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment |  | 403,000 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | 258,000 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment |  |
Amortization of intangible assets | 1,223,000 us-gaap_AmortizationOfIntangibleAssets | 476,000 us-gaap_AmortizationOfIntangibleAssets |  | 3,642,000 us-gaap_AmortizationOfIntangibleAssets | 1,111,000 us-gaap_AmortizationOfIntangibleAssets |  |
The Technology Companies [Member] |  |  |  |  |  |  |
| 5,898,000 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | 3,328,000 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | [1] | 16,680,000 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | 8,335,000 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | [2] |
(Loss) income from operations | (1,235,000)us-gaap_IncomeLossFromContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | (1,548,000)us-gaap_IncomeLossFromContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | [1] | (4,156,000)us-gaap_IncomeLossFromContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | (3,804,000)us-gaap_IncomeLossFromContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | [2] |
Income (loss) before taxes | (1,727,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | (1,540,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | [1] | (4,597,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | (3,783,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | [2] |
Provision for (benefit from) income taxes | (1,000,000)us-gaap_IncomeTaxExpenseBenefit / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | (505,000)us-gaap_IncomeTaxExpenseBenefit / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | [1] | (2,275,000)us-gaap_IncomeTaxExpenseBenefit / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | (1,225,000)us-gaap_IncomeTaxExpenseBenefit / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | [2] |
Net (loss) income | (727,000)us-gaap_NetIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | (1,035,000)us-gaap_NetIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | [1] | (2,322,000)us-gaap_NetIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | (2,558,000)us-gaap_NetIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | [2] |
Total assets | 53,440,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | 26,849,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | [1] | 53,440,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | 26,849,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | [1] | 53,440,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember
Capital expenditures | 168,000 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | 97,000 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | [1] | 325,000 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | 162,000 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | [2] |
Amortization of intangible assets | 1,223,000 us-gaap_AmortizationOfIntangibleAssets / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | 476,000 us-gaap_AmortizationOfIntangibleAssets / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | [1] | 3,642,000 us-gaap_AmortizationOfIntangibleAssets / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | 1,111,000 us-gaap_AmortizationOfIntangibleAssets / us-gaap_StatementBusinessSegmentsAxis = djco_TheTechnologyCompaniesMember | [2] |
Traditional Business [Member] |  |  |  |  |  |  |
| 5,249,000 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember | 5,876,000 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember |  | 15,246,000 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember | 18,315,000 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember |  |
(Loss) income from operations | 972,000 us-gaap_IncomeLossFromContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember | 1,994,000 us-gaap_IncomeLossFromContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember |  | 2,106,000 us-gaap_IncomeLossFromContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember | 6,088,000 us-gaap_IncomeLossFromContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember |  |
Income (loss) before taxes | 1,740,000 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember | 2,701,000 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember |  | 4,033,000 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember | 7,869,000 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember |  |
Provision for (benefit from) income taxes | 975,000 us-gaap_IncomeTaxExpenseBenefit / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember | 840,000 us-gaap_IncomeTaxExpenseBenefit / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember |  | 2,260,000 us-gaap_IncomeTaxExpenseBenefit / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember | 2,500,000 us-gaap_IncomeTaxExpenseBenefit / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember |  |
Net (loss) income | 765,000 us-gaap_NetIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember | 1,861,000 us-gaap_NetIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember |  | 1,773,000 us-gaap_NetIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember | 5,369,000 us-gaap_NetIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember |  |
Total assets | 182,243,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember | 146,902,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember |  | 182,243,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember | 146,902,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember |  | 182,243,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember
Capital expenditures | $ 26,000 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember | $ 5,000 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember |  | $ 78,000 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember | $ 96,000 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = djco_TraditionalBusinessMember |  |
[1] | Includes New Dawn&#8217;s financial results from April 1, 2013 through June 30, 2013 with revenues of $2,740,000 and expenses of $3,110,000 (including intangible amortization expenses of $476,000).
[2] | Includes New Dawn&#8217;s financial results from December 5, 2012 through June 30, 2013 with revenues of $6,430,000 and expenses of $7,168,000 (including intangible amortization expenses of $1,111,000).

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