INCOME TAXES (Details 3) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current deferred tax assets (liabilities):
Accrued compensation and benefits	$ 141	$ 66
Prepaid expenses and other	(60)	(88)
Inventory reserves	217	240
Allowance for doubtful accounts	112	237
Warranty reserves	194	162
Total current deferred tax asset	604	617
Non-current deferred tax assets:
Intangible and other assets	3,476	3,525
Foreign net operating loss carryforwards	5,620	3,320
Non-qualified stock option expense	77	47
Property, equipment and other	158	147
Research and development credit	913	378
Non-current deferred tax asset	10,244	7,417
Less: valuation allowance	(10,950)	(8,156)
Non-current deferred tax liability:	(706)	(739)
Total net deferred tax liability	$ (102)	$ (122)