INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Amortization
Amortization expense	$ 17	$ 17	$ 17
Future amortization
Expected amortization expense in next year	17,000
Expected amortization expense in second year	17,000
Expected amortization expense in third year	17,000
Expected amortization expense in fourth year	17,000
Expected amortization expense in fifth year	$ 17,000
Patent licensing fee
Intangible assets
Useful life	15 years
Intangible assets - gross	$ 200	200
Accumulated amortization	(104)	(86)
Total	$ 96	$ 114