Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Income Taxes

Schedule of income (loss) from continuing operations before income taxes

        Income (loss) from continuing operations before income taxes include the following components (in thousands):

	Years Ended December 31,
	2015			2014
U.S.-based operations	$	(7,770	)	$	(9,979	)
Non U.S.-based operations		(1,051	)		1,004
	$	(8,821	)	$	(8,975	)

Schedule of income tax expense (benefit)

        Income tax expense (benefit) attributable to loss from continuing operations is summarized as follows (in thousands):

	Current			Deferred			Total
Year ended December 31, 2015:
State and local	$	4			—		$	4
Foreign		(269	)		(134	)		(403	)
Total	$	(265	)	$	(134	)	$	(399	)
Year ended December 31, 2014:
U.S. Federal	$	4			—		$	4
State and local		17			—			17
Foreign		444			(327	)		117
Total	$	465		$	(327	)	$	138

Reconciliation of expected income tax expense to actual income tax expense

        Income taxes attributable to loss from continuing operations differ from the amounts computed by applying the U.S. federal statutory rate of 34% to loss from continuing operations before income taxes as shown below (in thousands):

	Years Ended December 31,
	2015			2014
Expected tax benefit	$	(2,999	)	$	(3,052	)
Net tax effects of:
Foreign tax rate differential		167			(214	)
State taxes, net of federal benefit		(602	)		(381	)
Return to provision adjustment		(619	)		(579	)
Research and other credits		(59	)		(92	)
Permanent difference on Convertible Notes and warrants		(589	)		277
Expiring net operating loss carryforwards		—			2,441
Other		52			175
Change in deferred tax asset valuation allowance		4,250			1,563
	$	(399	)	$	138

Schedule of deferred tax assets and liabilities

        Deferred tax assets and liabilities consist of the following (in thousands):

	December 31,
	2015			2014
Deferred tax assets:
Research and development credits	$	2,763		$	2,054
Other credits		487			378
Operating loss carry forwards		17,249			13,974
Inventories		254			282
Allowance for doubtful accounts		116			321
Depreciation		382			400
Deferred research and development expenses for income tax		240			327
Non-cash compensation		1,120			1,176
Other		921			410
Total gross deferred tax assets		23,532			19,322
Valuation allowance		(23,091	)		(18,856	)
Net deferred tax assets	$	441		$	466
Deferred tax liabilities:
Other identifiable intangible assets	$	(634	)	$	(825	)
Total gross deferred tax liabilities		(634	)		(825	)
Net deferred tax liabilities	$	(193	)	$	(359	)

Schedule of changes in unrecognized tax benefits including related interest and penalties

        The following changes occurred in the amount of unrecognized tax benefits including related interest and penalties (in thousands):

	Years Ended December 31,
	2015			2014
Balance at beginning of year	$	683		$	543
Additions for current year tax provisions		32			140
Reduction for prior year tax provisions		(81	)		—
Balance at end of year	$	634		$	683

Schedule of tax years open to examination

	Open Tax Years
United States—Federal	2012 - 2015
United States—State	2011 - 2015
Canada	2010 - 2015
Sweden	2013 - 2015
United Kingdom	2011 - 2015