Condensed Consolidated Statements Of Cash Flows (USD $)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flow from operating activities:
Net earnings (loss)	$ (534,000)	$ 553,000
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	507,000	616,000
Stock-based compensation expense	333,000	330,000
Gain on sale of property and equipment	(9,000)	(9,000)
Deferred income taxes	57,000	(3,000)
Changes in assets and liabilities:
Accounts receivable	1,920,000	955,000
Inventories	(4,817,000)	(2,268,000)
Other current assets	346,000	940,000
Accounts payable	1,813,000	(102,000)
Accrued liabilities	322,000	86,000
Net cash (used in) provided by operating activities	(62,000)	1,098,000
Cash flows from investing activities:
Proceeds from sale of property and equipment	18,000	19,000
Capital expenditures	(288,000)	(270,000)
Increase in other assets	(145,000)	18,000
Net cash used in investing activities	(415,000)	(233,000)
Cash flows from financing activities:
Borrowings under line of credit agreement	102,462,000	91,409,000
Repayments under line of credit agreement	(101,624,000)	(90,657,000)
Tax (shortfall) benefit from stock-based payments	(13,000)	13,000
Issuance of common stock pursuant to employee stock option and purchase plans	3,000	6,000
Net cash provided by financing activities	828,000	771,000
Effect of exchange rate changes on cash	432,000	(612,000)
NET INCREASE IN CASH AND CASH EQUIVALENTS	783,000	1,024,000
Cash and cash equivalents beginning of period	4,180,000	4,840,000
Cash and cash equivalents end of period	$ 4,963,000	$ 5,864,000