QUARTERLY FINANCIAL DATA (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2013

Quarterly Financial Information Disclosure [Abstract]

Summary of Quarterly Results

Summary quarterly results for the two years ended December 31, 2013 are as follows (in thousands, other than share and per share data):

	Three Months Ended
2013	March 31			June 30			September 30			December 31			Full Year
Revenue	$	8,307		$	10,555		$	11,115		$	11,536		$	41,513
Gross loss	$	(3,375	)	$	(6,417	)	$	(6,318	)	$	(5,811	)	$	(21,921	)
Loss from operations	$	(6,296	)	$	(9,968	)	$	(9,595	)	$	(9,025	)	$	(34,884	)
Loss before income taxes	$	(6,418	)	$	(10,173	)	$	(9,814	)	$	(9,106	)	$	(35,511	)
Net loss	$	(3,376	)	$	(5,894	)	$	(5,840	)	$	(15,241	)	$	(30,351	)
Basic loss per common share	$	(0.15	)	$	(0.26	)	$	(0.26	)	$	(0.67	)	$	(1.35	)
Diluted loss per common share	$	(0.15	)	$	(0.26	)	$	(0.26	)	$	(0.67	)	$	(1.35	)
Weighted average common shares outstanding used in computing net loss per common share, basic and diluted:		22,550,378			22,560,603			22,578,608			22,599,258			22,572,212

	Three Months Ended
2012	March 31			June 30			September 30			December 31			Full Year
Revenue	$	10,207		$	17,003		$	19,942		$	20,091		$	67,243
Gross profit (loss)	$	(3,408	)	$	11		$	2,445		$	912		$	(40	)
Income (loss) from operations	$	(6,646	)	$	(3,098	)	$	(1,141	)	$	(2,151	)	$	(13,036	)
Income (loss) before income taxes	$	(6,271	)	$	(3,386	)	$	(844	)	$	(2,085	)	$	(12,586	)
Net income (loss)	$	(3,367	)	$	(1,312	)	$	272		$	(1,131	)	$	(5,538	)
Basic income (loss) per common share	$	(0.15	)	$	(0.06	)	$	0.01		$	(0.05	)	$	(0.25	)
Diluted income (loss) per common share	$	(0.15	)	$	(0.06	)	$	0.01		$	(0.05	)	$	(0.25	)
Weighted average common shares outstanding used in computing net income (loss) per common share:
Basic		22,514,539			22,518,364			22,524,611			22,538,292			22,523,951
Diluted		22,514,539			22,518,364			23,050,618			22,538,292			22,523,951