INCOME TAXES (Details 3) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Deferred tax assets:
Accrued compensation and benefits	$ 28	$ 186
Inventory reserves	26	27
Allowance for doubtful accounts	5	9
Warranty reserves	367	168
Intangible and other assets	2,512	3,027
Net operating loss carryforwards	6,949	6,898
Non-qualified stock option expense		114
Property, equipment and other	156	133
Research and development credit	2,059	1,710
Total deferred tax asset	12,102	12,272
Less: valuation allowance	(11,994)	(12,205)
Total deferred tax asset	108	67
Deferred tax liabilities:
Prepaid expenses and other	(50)	(48)
Total deferred tax liability	(50)	(48)
Total net deferred tax asset/(liability)	$ 58	$ 19