Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2012

Shareholders’ Equity [Abstract]

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]

The number of remaining shares authorized to be issued under the various equity plans are as follows:

	2003 Equity Plan		2009 Equity Plan
Shares Authorized for Issuance	2,500,000		33,950,000
Outstanding Stock Options	(1,390,300	)	(20,296,380	)
Exercised Stock Options	(92,500	)	(5,000	)
Restricted stock or equity grants issued under Equity Plans	(889,939	)	(4,606,482	)
Total common shares remaining to be issued under the Equity Plans	127,261		9,042,138

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

The following table summarizes the activity for stock options and warrants for the year endedDecember 31, 2012:

	Stock Options			Warrants
	Shares		Weighted Average Exercise Price	Shares		Weighted Average Exercise Price
Outstanding at December 31, 2010	13,032,214		$1.66	21,843,507		$2.62
Changes during the Year:
Granted	8,697,600		$1.50	15,993,947		$2.09
Exercised	(5,000	)	$1.42	—		—
Forfeited	(1,217,189	)	$1.96	(447,629	)	$6.18
Expired	(3,364,120	)	$1.82	—		—
Outstanding at December 31, 2011	17,143,505		$1.71	37,389,825		$2.35
Changes during the Year:
Granted	7,787,529		$0.50	31,082,615		$0.57
Exercised	—		—	(11,076,182	)	$0.60
Forfeited	(3,020,209	)	$1.66	(790,003	)	$2.17
Expired	(224,145	)	$1.88	(1,318,644	)	$4.60
Outstanding at December 31, 2012	21,686,680		$1.29	55,287,611		$1.57

The following table summarizes the components of share-based compensation expense for the years endedDecember 31, 2012 and 2011 (in thousands):

	Year Ended December 31,
	2012		2011
Cost of goods sold	$	195.0	$	96.9
Research and development	432.9		867.8
Selling, general and administrative	6,084.6		9,301.3
Total share-based compensation expense	$	6,712.5	$	10,266.0

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

During the years endedDecember 31, 2012 and 2011, the Company issued warrants for services as follows ($ in thousands, except share data):

	Year Ended December 31,
	2012		2011
Number of Common Stock Purchase Warrants Issued	419,690		670,000
Value of Common Stock Purchase Warrants Issued	$	172.2	$	495.1

Restricted Stock [Table Text Block]

During the years endedDecember 31, 2012 and 2011, the Company issued restricted stock for services as follows ($ in thousands, except share data):

	Year Ended December 31,
	2012		2011
Number of Restricted Stock Issued	2,295,533		3,467,451
Value of Restricted Stock Issued	$	1,325.1	$	3,580.6