Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
OPERATING ACTIVITIES:
Net loss	$ (18,717)	$ (862)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation	5,826	5,442
Amortization of intangible assets	102	102
Amortization of prepaid debt costs	7	10
Pension benefit	(40)	(52)
Stock-based compensation expense	1,850	1,921
Unrealized loss on foreign currency exchange rates	(2,182)	0
Provision for losses on accounts receivable	16	25
Provision for losses on inventory	189	529
Provision for warranties	592	469
Changes in operating assets and liabilities:
Trade and other accounts receivable	12,321	(9,950)
Inventories, net	3,771	(725)
Prepaid expenses and other assets	(390)	(870)
Pension asset	(357)	(372)
Accounts payable and accrued liabilities	(8,407)	953
Deferred revenue and customer deposits	167	2,512
Accrued employee compensation	(760)	138
Deferred tax liability, long term	2,085	0
Other long-term liabilities	687	103
Net cash provided by (used in) operating activities	1,124	(627)
INVESTING ACTIVITIES:
Purchases of property and equipment	(2,217)	(2,876)
Net cash used in investing activities	(2,217)	(2,876)
FINANCING ACTIVITIES:
Principal payments on long-term debt and short-term borrowings	(12,900)	(4,185)
Proceeds from long-term debt and short-term borrowings	2,946	6,292
Proceeds from sale of common stock, net of offering costs	9,594	0
Proceeds from issuance of common stock under equity compensation plans	482	1,130
Net cash provided by financing activities	122	3,237
Decrease in cash and cash equivalents	(971)	(266)
Effect of exchange rate changes on cash and cash equivalents	1,270	367
Increase in cash and cash equivalents	299	101
Cash and cash equivalents, beginning of period	24,732	30,647
Cash and cash equivalents, end of period	$ 25,031	$ 30,748