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Note 12 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

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

		Year ended December 31,
		2018				2017
Domestic		$	(7,751	)		$	(12,630	)
Foreign			(2,496	)			(3,263	)
Total		$	(10,247	)		$	(15,893	)

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

		Year ended December 31,
		2018				2017
Current:
Federal		$	(71	)		$	577
State			37				(66	)
Foreign			117				(682	)
Total current			83				(171	)
Deferred:
Federal			2,233				1,497
State			667				480
Foreign			495				748
Total			3,395				2,725
Change in valuation allowance			(9,918	)			(833	)
Total deferred			(6,523	)			1,892
Benefit/(provision) for income taxes		$	(6,440	)		$	1,721

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

		Year ended December 31,
		2018				2017
Tax benefit (provision) at federal statutory rate		$	2,152			$	5,403
State income tax benefit (provision), net of federal benefit			413				439
Research and development tax credits			250				411
Subpart F inclusion			—				(370	)
Foreign earnings or losses taxed at different rates			12				(540	)
Tax rate change			23				(3,161	)
Other			628				372
Change in valuation allowance			(9,918	)			(833	)
Tax benefit (provision)		$	(6,440	)		$	1,721

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

		2018				2017
Deferred revenue		$	50			$	738
Basis difference in intangible assets			3,283				3,403
Inventory reserve			2,235				2,089
Net operating loss carryforwards			4,067				1,627
Research and development tax credits			794				163
Accrued expenses			143				75
Stock-based compensation			362				327
Allowance for sales returns and doubtful accounts			160				119
Difference in property and equipment basis			(185	)			(212	)
Other			551				438
Total net deferred income tax asset			11,460				8,767
Less: Valuation allowance			(11,460	)			(2,236	)
Net deferred income tax asset (liability)		$	—			$	6,531

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

		Year ended December 31,
		2018				2017
Balance - beginning of year		$	652			$	1,189
Additions based on tax positions related to the current year			58				67
Additions for tax positions of prior years			118				520
Reductions for tax positions of prior years			(53	)			-
Settlements			-				(165	)
Lapse in statutes of limitations			(96	)			(959	)
Uncertain tax positions, ending balance		$	679			$	652

X

- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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