Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

Income Tax Disclosure [Abstract]

Schedule of Components of Benefit from Income Taxes

For the years ended December 31,	2019			2018			2017
(dollars in thousands)
Current (benefit) provision
Federal	$	(7	)	$	(1	)	$	(28	)
State		22			86			21
Deferred (benefit) provision
Federal		(279	)		2,100			114
State		(238	)		(250	)		568
Benefit related to a change in enacted tax law		-			-			(8,276	)
(Benefit) provision for income taxes	$	(502	)	$	1,935		$	(7,601	)

Schedule of Effective Income Tax Rate Reconciliation

For the years ended December 31,		2019				2018				2017
Tax provision at statutory tax rate	$		792		$		2,645		$		3
State income taxes, net of federal impact			38				74				3
Research and development tax credit			(1,233	)			(874	)			(425	)
Valuation allowance, net of federal impact			(193	)			(167	)			475
Impact of changes in enacted tax law			-				-				(8,276	)
Adjustments to deferred taxes			41				277				506
Other, net			53				(20	)			113
(Benefit) provision for income taxes	$		(502	)	$		1,935		$		(7,601	)

Schedule of Deferred Tax Assets and Liabilities

December 31,	2019		2018
(dollars in thousands)
Noncurrent deferred income taxes:
Federal and state tax carryforwards	$	7,659	$	8,331
Inventory		970		787
Share-based compensation		2,029		1,909
Receivables		166		239
Accrued liabilities		333		836
Other		7		5
Total deferred tax assets	$	11,164	$	12,107
Deferred tax liabilities:
Property, plant and equipment	$	21,312	$	22,951
Other		814		637
Total deferred tax liabilities	$	22,126	$	23,588
Total noncurrent deferred income taxes	$	10,962	$	11,481