Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net loss	$ (5,169)	$ (4,956)
Gain on sale of discontinued operations	(452)
Adjustments to reconcile net loss to net cash used in operating activities:
Deferred income taxes		(117)
Depreciation and amortization	752	995
Accretion of interest on related party liability	146	171
Amortization of debt issuance costs	1,734	139
Stock-based compensation expense	200	475
Pension charges		105
Changes in operating assets and liabilities:
Accounts receivable	(408)	1,833
Inventories	(1,241)	(1,761)
Prepaid expenses and other assets	(321)	171
Accounts payable	2,600	792
Liability to related party	(274)	(272)
Deferred revenue	(204)	367
Accrued expenses and other liabilities	(1,364)	1,212
Net cash used in operating activities	(4,001)	(846)
Cash flows from investing activities:
Capital expenditures	(262)	(568)
Proceeds from sale of business	1,286
Net cash provided by (used in) investing activities	1,024	(568)
Cash flows from financing activities:
Proceeds from issuance of debt	14,000
Proceeds from capital raise	2,601
Proceeds from issuance of common stock under ESPP and options exercised	37	56
Payments on financial liabilities and debt issuance costs	(6,824)	(643)
Net cash provided by (used in) financing activities	9,814	(587)
Effect of exchange rates on cash	82	108
Net increase (decrease) in cash	6,919	(1,893)
Cash of continuing operations, at beginning of period	5,095	6,109
Add: Cash of discontinued operations, at beginning of period	16	1,269
Less: Cash of discontinued operations, at end of period		1,437
Cash of continuing operations, at end of period	12,030	4,048
Non-cash investing and financing activities:
Leasehold improvements funded by lease incentives		500
Common stock issued in connection with stock bonus and incentive plans	54
Property and equipment subject to accounts payable	$ 96	$ 285