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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2020

Income Taxes

Schedule of consolidated income before taxes for domestic and foreign operations

		Year ended December 31,
		2020				2019
Domestic		$	(4,574	)		$	(6,207	)
Foreign			(1,350	)			(2,145	)
Total		$	(5,924	)		$	(8,352	)

Schedule of components of (provision) for income taxes

		Year ended December 31,
		2020				2019
Current:
Federal		$	6,543			$	26
State			(36	)			(23	)
Foreign			(78	)			(59	)
Total current			6,429				(56	)
Deferred:
Federal			(3,104	)			1,621
State			286				413
Foreign			216				393
Total			(2,602	)			2,427
Change in valuation allowance			2,602				(2,427	)
Total deferred			—				—
Tax benefit (provision)		$	6,429			$	(56	)

Schedule of income tax (provision) differs from that computed at the federal statutory corporate income tax rate

		Year ended December 31,
		2020				2019
Tax benefit at federal statutory rate		$	1,244			$	1,754
State income tax benefit (provision), net of federal benefit			244				318
Research and development tax credits			272				290
Foreign earnings or losses taxed at different rates			(38	)			(27	)
Tax rate change, due primarily to loss carryback			2,720				(31	)
Other			(615	)			67
Change in valuation allowance			2,602				(2,427	)
Tax provision		$	6,429			$	(56	)

Schedule of tax effects of significant temporary differences representing net deferred tax assets and liabilities

		2020				2019
Deferred revenue		$	21			$	36
Basis difference in intangible assets			2,994				3,157
Inventory reserve			2,434				2,247
Net operating loss carryforwards			3,605				6,438
Research and development tax credits			1,272				1,042
Accrued expenses			61				163
Stock-based compensation			309				322
Allowance for sales returns and doubtful accounts			128				107
Difference in property and equipment basis			(145	)			(134	)
Other			479				382
Total net deferred income tax asset			11,158				13,760
Less: Valuation allowance			(11,158	)			(13,760	)
Net deferred income tax asset (liability)		$	—			$	—

Schedule of reconciliation of the beginning and ending amount of liabilities associated with uncertain tax positions

		Year ended December 31,
		2020				2019
Balance - beginning of year		$	298			$	679
Additions based on tax positions related to the current year			661				50
Additions for tax positions of prior years			—				43
Reductions for tax positions of prior years			—				—
Settlements			(43	)			(375	)
Lapse in statutes of limitations			(55	)			(99	)
Uncertain tax positions, ending balance		$	861			$	298

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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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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

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Tabular disclosure of income before income tax between domestic and foreign jurisdictions.

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Tabular disclosure of the change in unrecognized tax benefits.

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