9. INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2016

Income Tax Disclosure [Abstract]

Provision for income taxes

	Year Ended
	December 31,
	2016			2015
Federal:
Current	$	7		$	4
Deferred		(3	)		34
Total	$	4		$	38
State:
Current	$	13		$	32
Deferred		3			(34	)
Total	$	16		$	(2	)
Total income tax expense (benefit)	$	20		$	36

Reconciliation of effective income tax rate

	Year Ended
	December 31,
	2016			2015
Income tax (expense) benefit at federal statutory rate		(34.00)	%		34.00	%
State taxes, net of federal expense (benefit)		(6.36)	%		0.73	%
Return to provision adjustments		0.00	%		(1.08	)%
Valuation allowance		29.12	%		(35.60	)%
Research and development credits		6.01	%		0.65	%
Other permanent differences		(4.88)	%		(0.70	)%
Other, net		(0.76)	%		0.00	%
Total effective rate		(10.87)	%		(2.00	)%

Schedule of deferred taxes

	As of
	December 31,
	2016			2015
Deferred tax assets:
Amortization of intangibles	$	68		$	61
Net operating loss		5,439			5,300
Share-based compensation		1,137			1,206
Investment in joint venture		0			3,972
Other		574			651
Total deferred tax assets	$	7,218		$	11,190
Deferred tax liabilities:
Depreciation and amortization on property, plant and equipment	$	(1,664	)	$	(1,656	)
Allowance for doubtful accounts		(55	)		70
Total deferred tax liabilities	$	(1,719	)	$	(1,586	)
Less: valuation allowance		(5,499	)		(9,604	)
Net deferred tax position	$	–		$	–