Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
CASH FLOWS PROVIDED BY (USED IN) OPERATING ACTIVITIES:
Net income (loss)	$ 1,203	$ 2,145	$ 18
Depreciation and amortization	1,699	2,052	2,298
Deferred tax expense (benefit)	606	1,056	(10)
Stock-based compensation	378	414	336
Unrealized (gain)/loss on foreign currency translation	46	10	(12)
Accounts receivable	(3,099)	929	356
Inventories	(1,405)	(850)	(699)
Other current assets	(1,551)	(93)	(44)
Accounts payable	1,298	(164)	(10)
Accrued liabilities	741	(259)	(40)
Income taxes payable	0	0	(38)
Deferred revenue and other liabilities	(285)	(352)	(214)
Net cash provided by (used in) operating activities	(369)	4,888	1,941
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	1,509	1,084	620
Net cash provided by (used in) investing activities	(1,509)	(1,084)	(620)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock	390	124	75
Proceeds from (repayments of) line of credit borrowings, net	2,552	(3,079)	(1,123)
Proceeds from (repayments of) debt, net	0	0	(381)
Dividends to shareholders	(1,602)	0	0
Net cash provided by (used in) financing activities	1,340	(2,955)	(1,429)
EFFECT OF EXCHANGE RATE CHANGES ON CASH	(10)	(9)	200
INCREASE IN CASH AND CASH EQUIVALENTS	(548)	840	92
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	6,332	5,492	5,400
CASH AND CASH EQUIVALENTS, END OF PERIOD	5,784	6,332	5,492
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid for interest	77	28	162
Cash paid for income taxes	153	214	107
Non-cash transfer of inventory to property and equipment	$ 1,327	$ 351	$ 815