7. INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Provision for income taxes

	Year Ended December 31,
	2018			2017
Federal:
Current	$	–		$	–
Deferred		2			1
Total	$	2		$	1
State:
Current	$	8		$	5
Deferred		(2	)		(1	)
Total	$	6		$	4
Total income tax expense (benefit)	$	8		$	5

Reconciliation of effective income tax rate

	Year Ended December 31,
	2018			2017
Income tax expense at federal statutory rate		21.00	%		34.00	%
State taxes, net of federal benefit		(0.10	) %		2.52	%
Valuation allowance		(25.08	) %		1,662.43	%
Remeasurement of deferred taxes from 34% to 21%		0.00	%		(1,710.52	) %
Research and development credits		3.87	%		2.21	%
Other permanent differences		(0.31	) %		(15.63	)  %
Other, net		0.42	%		20.84	%
Total effective rate		(0.20	) %		(4.15	) %

Schedule of deferred taxes

	As of
	December 31,
		2018		2017
Deferred tax assets:
Net operating loss carryforwards	$	4,245		$	3,255
R&D & other credit carryforwards		685			501
Share-based compensation		730			741
Intangible amortization		16			21
Allowance for bad debt		2			2
Other		16			8
Total deferred tax assets	$	5,694		$	4,528
Less: valuation allowance		(4,837	)		(3,649	)
Net deferred tax assets	$	857		$	879
Deferred tax liabilities:
Depreciation on property and equipment	$	(857	)	$	(879	)
Amortization of intangibles		–			–
Total deferred tax liabilities	$	(857	)	$	(879	)
Net deferred tax position	$	–		$	–