SELECTED BALANCE SHEET COMPONENTS - INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2016	Dec. 31, 2015
Balance Sheet Related Disclosures [Abstract]
Amortization of Intangible Assets	$ 100	$ 200
Intangible assets, net
Total	2,778	2,778
Estimated future amortization expense
2015	141	141
2016	280	280
2017	280	280
2018	280	280
2019	280	280
Thereafter	1,517	1,517
Total	2,778	2,778
Commercial rights
Intangible assets, net
Commercial rights	3,360	3,360	$ 3,360
Less: accumulated amortization	(582)	(582)	(443)
Total	2,778	2,778	2,917
Estimated future amortization expense
Total	$ 2,778	$ 2,778	$ 2,917