Quarterly financial information (unaudited) - Note 18

12 Months Ended

Dec. 31, 2011

Notes to Financial Statements

Quarterly financial information (unaudited) - Note 18

18. Quarterly financial information (Unaudited)

The following table presents our unaudited quarterly financial information for the years ending December 31, 2011 and 2010:

		Year Ended December 31, 2011
		December 31,		September 30,		June 30,		March 31,
Revenue	$	1,504,000	$	1,839,000	$	1,155,000	$	1,119,000
Gross margin (loss)		(2,922,000)		(881,000)		(2,225,000)		(1,420,000)
Net loss		(9,806,000)		(7,790,000)		(9,175,000)		(9,037,000)
Net loss per share basic and diluted		(0.62)		(0.57)		(0.69)		(0.70)
		Year Ended December 31, 2010
		December 31,		September 30,		June 30,		March 31,
Revenue	$	683,000	$	1,301,000	$	2,088,000	$	668,000
Gross margin (loss)		(6,782,000)		(2,811,000)		(1,270,000)		(619,000)
Net loss		(15,420,000)		(11,850,000)		(11,073,000)		(9,117,000)
Net loss per share basic and diluted		(1.27)		(1.06)		(1.00)		(0.82)