Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

Income Tax Disclosure [Abstract]

Schedule of components of income tax provision (benefit)

Components of the income tax (benefit) expense are as follows (in thousands):

	Years ended December 31,
	2019			2018			2017
Current:
Federal	$	(22,923	)	$	—		$	(1,126	)
State	(2,295		)	97			587
Foreign	(238		)	(740		)	488
Total current	(25,456		)	(643		)	(51		)
Deferred:
Federal	23,910			(6,585		)	5,994
State	1,345			(89		)	214
Foreign	—			101			(45		)
Total deferred	25,255			(6,573		)	6,163
Income tax (benefit) expense	$	(201	)	$	(7,216	)	$	6,112

Schedule of domestic and foreign net income (loss) before taxes

The components of (loss) income before income taxes are as follows (in thousands):

	Years ended December 31,
	2019			2018			2017
United States	$	(76,758	)	$	(80,034	)	$	(10,025	)
Foreign	(178		)	(623		)	(1,367		)
Loss before income taxes	$	(76,936	)	$	(80,657	)	$	(11,392	)

Schedule of effective income tax rate reconciliation

A reconciliation of the U.S. federal statutory tax rate to the effective income tax rate is as follows:

	Year ended December 31,
	2019		2018		2017
Federal statutory tax rate	21.0	%	21.0	%	35.0	%
State income taxes, net of federal benefit	0.6		0.8		(3.2	)
Non-U.S. income taxed at different rates	0.5		0.8		(4.3	)
(Increase) decrease in valuation allowance	(19.9	)	(3.6	)	0.1
Impact of 2017 Tax Cuts and Jobs Act	—		—		(64.2	)
Net operating loss carryback adjustment	—		—		—
Reduction in tax benefit related to stock-based awards	(0.1	)	(1.0	)	(16.9	)
Non-deductible expenditures and goodwill	—		(9.0	)	(3.9	)
Research and development credit	0.2		0.3		3.6
Other	(2.0	)	(0.4	)	0.1
Effective income tax rate	0.3	%	8.9	%	(53.7	)%

Schedule of deferred tax assets and liabilities

The components of deferred tax assets and liabilities are as follows (in thousands):

	December 31,
	2019			2018
Deferred tax assets:
Net operating loss carryforwards	$	17,248		$	30,241
Allowance for doubtful accounts	1,037			1,073
Inventory valuation reserves	629			1,057
Equity compensation	353			548
Goodwill	965			1,089
Accrued compensation	587			342
Foreign tax credit carryforward	3,894			4,041
Settlement liability	3,530			—
Lease liability	3,992			—
Interest expense limitation	—			534
Other	96			50
Total gross deferred tax assets	32,331			38,975
Valuation allowance	(19,878		)	(4,042		)
Total deferred tax assets, net	12,453			34,933
Deferred tax liabilities:
Property and equipment	(3,696		)	(6,613		)
Intangible assets	(4,597		)	(9,657		)
ROU asset	(3,793		)	—
Prepaid insurance and other	(331		)	—
Total gross deferred tax liabilities	(12,417		)	(16,270		)
Net deferred tax assets	$	36		$	18,663