Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

Schedule of Income before Income Tax, Domestic and Foreign

The components of income (loss) before taxes for the years ended December 31 are as follows:



Origin of income before taxes	2019			2018			2017
United States	$	(5,387	)	$	3,277		$	(9,821	)
Foreign	(2,378		)	(3,272		)	(1,208		)
Income (Loss) before income taxes	$	(7,765	)	$	5		$	(11,029	)

Schedule of Components of Income Tax Expense (Benefit)

Significant components of income tax benefit (expense) for the years ended December 31 are as follows:



	2019			2018			2017
Current:
Federal	$	—		$	(18	)	$	111
State	(14		)	(13		)	—
Foreign	—			—			(65		)
Total current	(14		)	(31		)	46
Deferred:
Federal	—			(2		)	534
Foreign	—			—			—
Total deferred	—			(2		)	534
Income tax benefit (expense)	$	(14	)	$	(33	)	$	580

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation between the provision for income taxes calculated at the U.S. federal statutory income tax rate and the consolidated income tax expense in the consolidated statements of operations for the years ended December 31 is as follows:



	2019		2018		2017
Provision at the U.S. federal statutory rate	21.0	%	21.0	%	34.0	%
State taxes, net of federal benefit	2.7	%	(86.5	)%	—	%
Foreign tax rate differential	—	%	(2,210.3	)%	(0.9	)%
Valuation allowance	(29.2	)%	(7,152.8	)%	15.0	%
Federal tax rate change	—	%	—	%	(43.9	)%
Other true up	1.6	%	8,904.9	%	—	%
Intangible assets impairment and other non-deductibles	2.3	%	2,194.6	%	(1.8	)%
Other	1.8	%	(994.6	)%	2.1	%
Income tax benefit (expense) effective rate	0.2	%	676.3	%	4.5	%

Schedule of Deferred Tax Assets and Liabilities

The deferred tax assets and liabilities at December 31 are as follows:



	2019			2018
Deferred tax assets:
Stock compensation expense	$	1,882		$	1,867
Goodwill	1,490			1,927
Royalty accruals	560			484
Bad debt allowance	466			345
Net operating loss carryforwards	9,146			6,654
Credit carry-forwards	814			685
Inventory reserve	243			277
Depreciation	502			515
Other	340			539
Total deferred tax assets	15,443			13,293
Deferred tax liabilities:
Intangible assets	(220		)	(283		)
Other	—			(137		)
Total deferred tax liabilities	(220		)	(420		)
Net deferred tax asset before valuation allowance	15,223			12,873
Valuation allowances for deferred tax assets	(15,394		)	(13,044		)
Net deferred tax liability	$	(171	)	$	(171	)

Summary of Valuation Allowance

The change in the valuation allowance for deferred tax assets for the years ended December 31 is as follows:



Year	Balance at January 1		Charged to costs and expenses		(Deductions)/Other	Balance at December 31
2017	$	13,179	(945	)	—	$	12,234
2018	$	12,234	810		—	$	13,044
2019	$	13,044	2,350		—	$	15,394