Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

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,
	2017		2016
	(in thousands)
Deferred tax assets – non-current
Accrued bonuses	$	-	$	-
Accrued vacation		17		32
Net operating loss (NOL) carryover		7,516		9,166
Technology licenses amortization		36		60
Research & development tax credits		1,542		1,259
Share based expense		387		443
Other		5		9
Fixed asset depreciation		15		-
Total deferred tax asset		9,518		10,969
Less: valuation allowance		(9,518)		(10,965)
Net deferred tax asset		-		4
Deferred tax liability- non-current		-		(4)
Net deferred tax asset	$	-	$	-

Schedule of Effective Income Tax Rate Reconciliation

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

	December 31,
	2017		2016		2015
	(in thousands)
Loss before income taxes	$	(7,023)	$	(6,750)	$	(5,467)
Tax (benefit) @ statutory tax rate		(2,388)		(2,295)		(1,859)
Effects of:
Exclusion of incentive stock option expense		86		117		89
R&D tax credits		(283)		(252)		(132)
Increase (decrease) in valuation allowance		(1,447)		3,001		1,899
FMV of warrants		(658)		(582)		-
Prior year adjustments		5		6		-
Carryforward adjustment		(252)		5		3
Rate change on net deferred tax asset		4,937		-		-
Provision for income taxes	$	-	$	-	$	-