Schedule of Unaudited Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2013

Schedule of Unaudited Quarterly Financial Data:

Schedule of Quarterly Financial Information

			Quarters ended
	March 31,		June 30,		September 30,		December 31,
	2013		2013		2013		2013
Product revenue	$	4,672	$	5,581	$	2,535	$	5,658
Service revenue	1,373		1,549		1,630		2,107
Research and development contract revenue	400		368		462		267
Net loss attributable to common shareholders	(8,576)		(9,338)		(15,948)		(28,929)
Loss per share:
Basic and Diluted	(0.18)		(0.14)		(0.19)		(0.28)

			Quarters ended
	March 31,		June 30,		September 30,		December 31,
	2012		2012		2012		2012
Product revenue	$	6,572	$	6,244	$	3,418	$	4,558
Service revenue	665		957		855		1,138
Research and development contract revenue	515		458		502		226
Net loss attributable to common shareholders	(6,583)		(6,480)		(10,325)		(8,474)
Loss per share:
Basic and Diluted	(0.28)		(0.17)		(0.27)		(0.22)