Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

	Years Ended December 31,
	2012	2011
U.S.-based operations	$ (7,872)	$ (7,614)
Non U.S.-based operations	(2,189)	685
(Loss) income from continuing operations before income taxes	$ (10,061)	$ (6,929)

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	Current	Deferred	Total
Year ended December 31, 2012:
U.S. Federal	$ ─	$ ─	$ ─
State and local	16	─	16
Foreign	(212)	(171)	(383)
Total	$ (196)	$ (171)	$ (367)
Year ended December 31, 2011:
U.S. Federal	$ 25	$ ─	$ 25
State and local	15	─	15
Foreign	385	(134)	251
Total	$ 425	$ (134)	$ 291

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	Years Ended December 31,
	2012	2011
Expected tax benefit	$ (3,421)	$ (2,356)
Net tax effects of:
Foreign tax rate differential	408	89
State taxes, net of federal benefit	(529)	(864)
Return to provision adjustment	832	30
Research and other credits	(2)	(191)
Permanent difference on convertible notes and warrants	(31)	(374)
Permanent difference on deemed dividend	─	78
Other	73	(456)
Change in deferred tax asset valuation allowance	2,303	4,335
Income taxes attributable to loss from continuing operations	$ (367)	$ 291

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	December 31,
	2012	2011
Deferred tax assets:
Research and development credits	$ 1,707	$ 1,658
Other credits	347	985
Operating loss carry forwards	10,562	8,428
Inventories	469	370
Allowance for doubtful accounts	563	107
Depreciation	246	107
Deferred research and development expenses for income tax	327	331
Non-cash compensation	706	546
Other	536	617
Total gross deferred tax assets	15,463	13,149
Valuation allowance	(14,906)	(12,603)
Net deferred tax assets	557	546
Deferred tax liabilities
Other identifiable intangible assets	(1,354)	(1,488)
Total gross deferred tax liabilities	(1,354)	(1,488)
Net deferred tax liabilities	$ (797)	$ (942)

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

	Years Ended December 31,
	2012	2011
Balance at beginning of year	$ 529	$ 473
Additions for current year tax provisions	41	56
Reduction for prior year tax provisions	(118)	─
Balance at end of year	$ 452	$ 529

Summary of Income Tax Contingencies [Table Text Block]

	Open Tax Years
United States – Federal	2009 – 2012
United States – State	2008 – 2012
Canada	2007 – 2012
Sweden	2010 – 2012
United Kingdom	2008 – 2012