Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Schedule of Deferred Tax Assets and Liabilities

The components of the Company’s deferred tax asset are as follows:

	December 31,
	2018			2017
	(in thousands)
Deferred tax assets – non-current
Accrued bonuses	$	12		$	-
Accrued vacation		15			17
Net operating loss (NOL) carryover		9,191			7,516
Technology license amortization		-			36
Research & development tax credits		1,780			1,542
Share based expense		310			387
Other		5			5
Fixed asset depreciation		50			15
Total deferred tax asset		11,363			9,518
Less: valuation allowance		(11,363	)		(9,518	)
Net deferred tax asset		-			-
Deferred tax liability- non-current		-			-
Net deferred tax asset	$	-		$	-

Schedule of Effective Income Tax Rate Reconciliation

Reconciliation between income taxes at the statutory tax rate (21% to 34%) and the actual income tax provision for continuing operations follows:

	December 31,
	2018			2017			2016
	(in thousands)
Loss before income taxes	$	(8,583	)	$	(7,023	)	$	(6,750	)
Tax (benefit) at statutory tax rate		(1,802	)		(2,388	)		(2,295	)
Effects of:
Exclusion of incentive stock option expense		47			86			117
R&D tax credits		(238	)		(283	)		(252	)
Increase (decrease) in valuation allowance		1,845			(1,447	)		3,001
FMV of warrants		-			(658	)		(582	)
Prior year adjustments		-			5			6
Carryforward adjustment		2			(252	)		5
Stock option forfeitures		146			-			-
Rate change on net deferred tax asset		-			4,937			-
Provision for income taxes	$	-		$	-		$	-