CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
OPERATING ACTIVITIES:
Net income	$ 3,064us-gaap_ProfitLoss	$ 2,300us-gaap_ProfitLoss
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	1,032	936
Loss on deconsolidation of subsidiary		83us-gaap_DeconsolidationGainOrLossAmount
Provision for doubtful accounts	52us-gaap_ProvisionForDoubtfulAccounts	45us-gaap_ProvisionForDoubtfulAccounts
Excess tax benefit from stock-based compensation	(101)	(22)
Issuance of non-employee director shares	96	96
Deferred income tax provision	(19)us-gaap_DeferredIncomeTaxExpenseBenefit	(181)us-gaap_DeferredIncomeTaxExpenseBenefit
Changes in operating assets and liabilities:
Accounts receivable	(272)	(1,259)
Inventories	(6,071)us-gaap_IncreaseDecreaseInInventories	(3,629)us-gaap_IncreaseDecreaseInInventories
Prepaid expenses	(2,629)	(1,774)
Other assets	(306)
Accounts payable	9,878	2,754
Accrued liabilities	(1,667)	(95)
Net cash flows from operating activities	3,057	(746)
INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(1,416)	(202)
Payments received on notes receivable	1	9
Net cash flows from investing activities	(1,415)	(193)
FINANCING ACTIVITIES:
Payments of cash dividends	(1,809)us-gaap_PaymentsOfDividendsCommonStock	(1,692)us-gaap_PaymentsOfDividendsCommonStock
Proceeds from stock option exercises	85	172
Excess tax benefit from stock-based compensation	101	22
Net cash flows from financing activities	(1,623)	(1,498)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND TEMPORARY INVESTMENTS	(1,311)	117
NET CHANGE IN CASH AND TEMPORARY INVESTMENTS	(1,292)	(2,320)
CASH AND TEMPORARY INVESTMENTS, beginning of period	39,597	42,864
CASH AND TEMPORARY INVESTMENTS, end of period	38,305	40,544
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash payments for interest	328us-gaap_InterestPaid	223us-gaap_InterestPaid
Cash payments for income taxes, net of refunds	$ 1,649us-gaap_IncomeTaxesPaidNet	$ 1,701us-gaap_IncomeTaxesPaidNet

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.