ACQUISITION OF IMT (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Jan. 29, 2016	Mar. 31, 2016	Mar. 31, 2015
Purchase Consideration
Amount of consideration:	$ 3,000	$ 3,000	$ 0
Tangible assets acquired and liabilities assumed at preliminary fair value
Cash		477	0
Accounts receivable		676	0
Inventories		2,649	0
Property and equipment		133	0
Prepaid expenses		55	0
Accounts payable and deferred revenue		(423)	0
Deferred rent		(167)	0
Accrued expenses		(378)	0
Net tangible assets acquired		3,022	0
Identifiable intangible assets
Total Identifiable Intangible Assets		490	0
Total net assets acquired		3,512	0
Consideration paid	$ 3,000	3,000	0
Preliminary gain on bargain purchase		512	0
Trade names and technology [Member]
Identifiable intangible assets
Total Identifiable Intangible Assets		320	0
Customer relationships [Member]
Identifiable intangible assets
Total Identifiable Intangible Assets		$ 170	$ 0