INTANGIBLES AND OTHER ASSETS - SCHEDULE OF INTANGIBLES AND OTHER ASSETS (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Other assets	$ 242		$ 258
Intangibles and other assets, net	$ 245		264
Intangible asset - useful life	10 years
Amortization of intangibles	$ 3	$ 12
Remainder of 2016	3
Purchased Patents and Other Purchased Intangibles
Finite-Lived Intangible Assets [Line Items]
Purchased patents and other purchased intangible assets	4,605		4,605
Less: Accumulated amortization of purchased patents and other purchased intangibles	(4,602)		(4,599)
Purchased patents and other purchased intangible assets, net	$ 3		$ 6