SELECT BALANCE SHEET DETAILS (Details Narrative) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Inventory	$ 44,000		$ 46,000
Work in process	36,000		42,000
Finished goods	8,000		4,000
Reserves for obsolete and slow-moving items	3,000		3,000
Trademarks and Trade Names [Member]
Carrying amount of acquired trademarks and trade names	0		0
Accumulated amortization	347,000		347,000
Amortization expense	0	$ 4,000
Patents [Member]
Accumulated amortization	532,000		530,000
Carrying amounts of patent assets	115,000		$ 117,000
Amortization expense	$ 2,000	$ 2,000
Weighted-average remaining life of intangible assets	10 years 3 months 18 days