Unaudited Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2016

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

	Quarters ended
	March 31,		June 30,		September 30,		December 31,
	2016		2016		2016		2016
Revenue:
Sales of fuel cell systems and related infrastructure	$	5,218	$	9,121	$	5,653	$	19,993
Services performed on fuel cell systems and related infrastructure		5,273		5,360		4,763		5,060
Power Purchase Agreements		2,706		3,062		3,858		4,061
Fuel delivered to customers		2,010		2,638		2,909		3,359
Other		125		278		376		105
Gross profit (1)		170		384		381		3,011
Operating expenses		13,120		13,760		13,637		14,948
Operating loss		(12,950)		(13,376)		(13,256)		(11,937)
Net loss attributable to common shareholders		(11,780)		(13,154)		(13,420)		(19,237)
Loss per share:
Basic and Diluted	$	(0.07)	$	(0.07)	$	(0.07)	$	(0.11)

	Quarters ended
	March 31,		June 30,		September 30,		December 31,
	2015		2015		2015		2015
Revenue:
Sales of fuel cell systems and related infrastructure	$	5,090	$	18,663	$	24,777	$	29,472
Services performed on fuel cell systems and related infrastructure		2,645		2,883		3,555		4,929
Power Purchase Agreements		977		1,077		1,546		2,118
Fuel delivered to customers		659		1,128		1,544		1,744
Other		45		258		10		168
Gross (loss) profit (1)		(2,111)		1,562		76		(9,417)
Operating expenses		10,650		11,427		12,332		14,703
Operating loss		(12,761)		(9,865)		(12,256)		(24,120)
Net loss attributable to common shareholders		(11,077)		(9,253)		(10,238)		(25,227)
Loss per share:
Basic and Diluted	$	(0.06)	$	(0.05)	$	(0.06)	$	(0.14)

Gross profit in the second quarter of 2016 and the fourth quarter of 2015 includes the impact of a ($1.1 million) and $10.1 million provision for loss contracts related to service recorded by the Company, respectively, as discussed in Note 11, Warranty Reserve and Accrual for Loss Contracts Related to Service.