Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

Summary of income (loss) before income taxes for U.S. and non-U.S. operations

before income taxes for U.S and non-U.S operations was as follows:



	Year Ended December 31,
	2019			2018			2017
U.S. loss	$	(9,632	)	$	(8,056	)	$	(17,066	)
Non U.S. loss	(33		)	(81		)	(220		)
	$	(9,665	)	$	(8,137	)	$	(17,286	)

Schedule of reconciliation of income taxes computed using the federal statutory rate to the taxes reported in consolidated statements of operations

A reconciliation of income taxes computed using the federal statutory rate to the taxes reported in the consolidated statements of operations is as follows:



	Year Ended December 31,
(In thousands)	2019			2018			2017
Loss before income taxes	$	(9,665	)	$	(8,137	)	$	(17,286	)
Federal statutory rate	21		%	21		%	34		%
Taxes computed at federal statutory rate	(2,030		)	(1,709		)	(5,877		)
State taxes	(484		)	(385		)	(1,106		)
Stock compensation	(1,329		)	(605		)	563
Federal and State Rate Change	(164		)	839			11,749
Other	(49		)	172			116
Change in valuation allowance	4,056			1,688			(5,445		)
Reported income taxes	$	—		$	—		$	—

Schedule of deferred tax assets

Deferred tax assets (liabilities) consist of the following:



	Year Ended December 31,
(In thousands)	2019			2018
Deferred tax assets:
Net operating loss carryforwards	$	10,542		$	10,969
Employee benefits and stock compensation	4,329			2,798
Research and development costs	7,851			9,067
Fixed assets	—			418
Intangible assets	4,350			—
Operating lease liability	102			—
Inventory reserve	3,303			2,339
Other, net	119			345
Total deferred tax assets	30,596			25,936
Less: valuation allowance	(29,991		)	(25,936		)
Total net deferred tax assets	605			—
Deferred tax liabilities:
Fixed assets	(605		)	—
Total net deferred tax liabilities	(605		)	—
Net deferred tax assets and liabilities	$	—		$	—