SPECIAL PURPOSE ENTITIES - Moxie Additional Information (Details) - USD ($) $ in Thousands	1 Months Ended	9 Months Ended
	Nov. 30, 2015	Oct. 31, 2015
Variable Interest Entity
Gain on the deconsolidation of a variable interest entity		$ 349
Gemma Power, Inc.
Variable Interest Entity
Participation sharing percentage of supplier	40.00%
Development success fee shared with supplier	$ 1,700
Notes payable and accrued interest shared with supplier	1,900
Variable Interest Entity
Variable Interest Entity
Development loans to Moxie Freedom	4,300
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity
Accrued interest received	$ 600
Interest rate on loan receivable	20.00%
Development success fee received	$ 4,300
Capitalized project costs eliminated		(4,900)
Loans made during the period		2,300
Cash received pursuant to participation agreement	$ 1,700	900
Interest rate on borrowings	20.00%
Gain on the deconsolidation of a variable interest entity		$ 300