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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) | 3 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014
Cash flows from operating activities: |  |
Net income | $ 4,444,000 us-gaap_NetIncomeLoss | $ 5,967,000 us-gaap_NetIncomeLoss
Income (loss) from discontinued operations, net of tax | 28,000 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | (578,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
Income from continuing operations | 4,416,000 us-gaap_IncomeLossFromContinuingOperations | 6,545,000 us-gaap_IncomeLossFromContinuingOperations
Adjustments to reconcile net income to net cash provided by operating activities from continuing operations: |  |
Depreciation and amortization | 1,877,000 us-gaap_DepreciationDepletionAndAmortization | 2,029,000 us-gaap_DepreciationDepletionAndAmortization
Realized (gain) loss on investment securities, net | (118,000)us-gaap_GainLossOnSaleOfInvestments | (188,000)us-gaap_GainLossOnSaleOfInvestments
Share-based compensation | 529,000 us-gaap_ShareBasedCompensation | 774,000 us-gaap_ShareBasedCompensation
Deferred income taxes | (154,000)us-gaap_DeferredIncomeTaxExpenseBenefit | (381,000)us-gaap_DeferredIncomeTaxExpenseBenefit
(Gain) on disposal of fixed assets | 0 us-gaap_GainLossOnDispositionOfAssets | (32,000)us-gaap_GainLossOnDispositionOfAssets
Changes in assets and liabilities which provided (used) cash: |  |
Accounts receivable | (656,000)us-gaap_IncreaseDecreaseInAccountsReceivable | (204,000)us-gaap_IncreaseDecreaseInAccountsReceivable
Inventory | 1,549,000 us-gaap_IncreaseDecreaseInInventories | 2,120,000 us-gaap_IncreaseDecreaseInInventories
Prepaid expenses and other current assets | 16,000 us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets | (67,000)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Other assets | 335,000 us-gaap_IncreaseDecreaseInOtherOperatingAssets | 2,000 us-gaap_IncreaseDecreaseInOtherOperatingAssets
Accounts payable and accrued expenses | 3,615,000 us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities | (82,000)us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
Income taxes | 1,202,000 us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable | 610,000 us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable
Net cash provided by operating activities- continuing operations | 12,611,000 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | 11,126,000 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Net cash used in operating activities- discontinued operations | (2,513,000)us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations | (505,000)us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations
Net cash provided by operating activities | 10,098,000 us-gaap_NetCashProvidedByUsedInOperatingActivities | 10,621,000 us-gaap_NetCashProvidedByUsedInOperatingActivities
Cash Flow from Investing Activities: |  |
Sale of investment securities | 2,022,000 us-gaap_ProceedsFromSaleOfShortTermInvestments | 3,572,000 us-gaap_ProceedsFromSaleOfShortTermInvestments
Purchase of investment securities | (1,526,000)us-gaap_PaymentsToAcquireInvestments | (7,943,000)us-gaap_PaymentsToAcquireInvestments
Purchase of property and equipment | (907,000)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (1,182,000)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Net cash used in investing activities- continuing operations | (411,000)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (5,553,000)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Net cash used in investing activities- discontinued operations | 0 us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations | (42,000)us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations
Net cash used in investing activities | (411,000)us-gaap_NetCashProvidedByUsedInInvestingActivities | (5,595,000)us-gaap_NetCashProvidedByUsedInInvestingActivities
Cash Flow from Financing Activities: |  |
Repayment of long-term debt and capital leases | (57,000)us-gaap_RepaymentsOfLongTermDebt | (55,000)us-gaap_RepaymentsOfLongTermDebt
Decrease in note receivable | 45,000 us-gaap_ProceedsFromPaymentsForOtherFinancingActivities | 7,000 us-gaap_ProceedsFromPaymentsForOtherFinancingActivities
Net shares repurchased for employee taxes | (875,000)us-gaap_PaymentsForRepurchaseOfOtherEquity | 0 us-gaap_PaymentsForRepurchaseOfOtherEquity
Excess tax benefits from share-based compensation | 165,000 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 0 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
Net cash used in financing activities- continuing operations | (722,000)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | (48,000)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Net cash used in financing activities- discontinued operations | 0 us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations | 0 us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations
Net cash used in financing activities | (722,000)us-gaap_NetCashProvidedByUsedInFinancingActivities | (48,000)us-gaap_NetCashProvidedByUsedInFinancingActivities
NET CHANGE IN CASH AND CASH EQUIVALENTS | 8,965,000 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | 4,978,000 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents - beginning of the period | 24,459,000 us-gaap_CashAndCashEquivalentsAtCarryingValue | 36,382,000 us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents - end of period | 33,423,000 us-gaap_CashAndCashEquivalentsAtCarryingValue | 41,360,000 us-gaap_CashAndCashEquivalentsAtCarryingValue
Supplemental disclosure of cash flow information: |  |
Interest paid | 10,000 us-gaap_InterestPaid | 53,000 us-gaap_InterestPaid
Income taxes paid | $ 295,000 us-gaap_IncomeTaxesPaid | $ 2,687,000 us-gaap_IncomeTaxesPaid

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- Definition Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585 + Details
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- Definition Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585 + Details
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- Definition Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585 + Details
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- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + 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 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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- Definition Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + 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 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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- 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
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- Definition The cash outflow to reacquire other equity not otherwise defined in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the purchase of all investments (debt, security, other) during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash inflow from sales of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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