INTANGIBLES AND OTHER ASSETS - SCHEDULE OF INTANGIBLES AND OTHER ASSETS (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Other assets	$ 395		$ 395		$ 258
Intangibles and other assets, net	395		$ 395		264
Intangible asset - useful life			10 years
Amortization of intangibles	1	$ 3	$ 6	$ 18
Purchased patents and other purchased intangibles
Finite-Lived Intangible Assets [Line Items]
Purchased patents and other purchased intangible assets	4,605		4,605		4,605
Less: Accumulated amortization of purchased patents and other purchased intangibles	(4,605)		(4,605)		(4,599)
Purchased patents and other purchased intangible assets, net	$ 0		$ 0		$ 6