Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
OPERATING ACTIVITIES:
Net income (loss)	$ 319	$ (278)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	2,614	2,118
Amortization of intangible assets	51	91
Amortization of debt discount and prepaid debt costs	5	15
Pension cost (benefit)	(26)	5
Stock-based compensation expense	755	957
Provision for losses on accounts receivable	16	10
Provision for losses on inventory	310	(227)
Provision for warranties	374	6
Changes in operating assets and liabilities:
Trade and other accounts receivable	(7,711)	152
Inventories	(531)	(653)
Prepaid expenses and other assets	(32)	77
Increase (Decrease) in Pension Plan Obligations	(187)	(183)
Accounts payable and accrued liabilities	2,168	4,032
Increase (Decrease) in Deferred Revenue and Customer Advances and Deposits	2,060	1,586
Accrued employee compensation	(200)	1,116
Other long-term liabilities	273	(33)
Net cash used in operating activities	258	8,791
INVESTING ACTIVITIES:
Purchase of property and equipment	(1,985)	(2,026)
Net cash used in investing activities	(1,985)	(2,026)
FINANCING ACTIVITIES:
Principal payments on long-term debt and short-term borrowings	(3,743)	(3,608)
Proceeds from long-term and short-term borrowings	6,292	3,318
Repurchase of shares	0	(20)
Proceeds from issuance of common stock under equity compensation plans	630	281
restricted cash - compensating balance	(1,000)	0
Net cash provided by financing activities	2,179	(29)
Increase (decrease) in cash and cash equivalents from operations	452	6,736
Effect of exchange rate changes on cash and cash equivalents	486	(1,351)
Decrease in cash and cash equivalents	938	5,385
Cash and cash equivalents, beginning of period	30,647	28,739
Cash and cash equivalents, end of period	$ 31,585	$ 34,124