Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities:
Income (loss) from continuing operations	$ 3,377	$ (794)
Income (loss) from discontinued operation	(68)	(960)
Net income (loss)	3,309	(1,754)
Adjustments to reconcile net income (loss) to cash provided by operating activities:
Depreciation and amortization	2,406	3,036
Bad debt expense reduction	(16)	(84)
Stock-based compensation expense	453	151
Loss on asset disposals	14	57
Reduction of previously estimated asset disposal loss	(86)	(933)
Deferred income taxes, net of valuation allowances	333	452
Changes in operating assets and liabilities:
Trade receivables	12,024	7,969
Inventories	(5,278)	(2,972)
Prepaids and other current assets	(41)	1,325
Income taxes	(169)	(1,034)
Trade payables	(7,459)	(6,731)
Accrued liabilities, including warranty obligations	(1,223)	(1,033)
Net cash provided by (used in) operating activities	4,267	(1,551)
Cash flows from investing activities:
Proceeds from sale of discontinued operation	310	1,042
Purchases of software and equipment	(1,742)	(2,098)
Net decrease in restricted cash	0	351
Net cash used in investing activities	(1,432)	(705)
Cash flows from financing activity:
Repayment from long-term borrowings	(5,000)	0
Financing costs	0	(36)
Proceeds from exercise of stock options	89	4
Net cash provided by (used in) financing activities	(4,911)	(32)
Effect of exchange rate changes on cash and cash equivalents	(142)	(490)
Net increase (decrease) in cash and cash equivalents	(2,218)	(2,778)
Cash and cash equivalents, beginning of year	17,427	14,296
Cash and cash equivalents, end of period	15,209	11,518
Supplemental disclosure of cash flow information:
Cash paid for interest	533	0
Cash refunded for income taxes, net	$ (97)	$ (164)