Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
OPERATING ACTIVITIES:
Net income (loss)	$ (862)	$ 3,127
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	5,442	4,228
Amortization of intangible assets	102	182
Amortization of debt discount and prepaid debt costs	10	30
Pension cost (benefit)	(52)	9
Stock-based compensation expense	1,921	1,904
Provision for losses on accounts receivable	25	10
Provision for losses on inventory	529	776
Provision for warranties	469	730
Changes in operating assets and liabilities:
Trade and other accounts receivable	(9,950)	(2,179)
Inventories	(725)	585
Prepaid expenses and other assets	(870)	(267)
Pension asset	(372)	(435)
Accounts payable and accrued liabilities	953	4,388
Deferred revenue and customer deposits	2,512	2,498
Accrued employee compensation	138	2,538
Deferred tax liability, long term	0	(16)
Other long-term liabilities	103	(65)
Net cash provided by (used in) operating activities	(627)	18,043
INVESTING ACTIVITIES:
Purchase of property and equipment	(2,876)	(6,527)
Restricted cash	0	(2,300)
Net cash used in investing activities	(2,876)	(8,827)
FINANCING ACTIVITIES:
Principal payments on long-term debt and short-term borrowings	(4,185)	(4,060)
Proceeds from long-term and short-term borrowings	6,292	3,318
Repurchase of shares	0	(44)
Proceeds from issuance of common stock under equity compensation plans	1,130	281
restricted cash - compensating balance	0	(1,750)
Net cash provided by (used in) financing activities	3,237	(2,255)
Increase (decrease) in cash and cash equivalents from operations	(266)	6,961
Effect of exchange rate changes on cash and cash equivalents	367	(1,129)
Increase (decrease) in cash and cash equivalents	101	5,832
Cash and cash equivalents, beginning of period	30,647	28,739
Cash and cash equivalents, end of period	$ 30,748	$ 34,571