CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Noncontrolling Interest [Member]
Balance at Apr. 04, 2004	$ 118,380,000	$ 17,000	$ 146,125,000	$ (27,762,000)	$ 0
Balance (in shares) at Apr. 04, 2004		34,550,000
Acquisition of CBI, August 5, 2004	23,453,000	2,000	23,451,000	0	0
Acquisition of CBI, August 5, 2004 (in shares)		3,248,000
Acquisition of AzERx, February 27, 2006	7,764,000	1,000	7,763,000	0	0
Acquisition of AzERx, February 27, 2006 (in shares)		1,355,000
Exercise of common stock options	4,579,000	0	4,579,000	0	0
Exercise of common stock options (in shares)		997,000
De-recognition of potentially redeemable equity, net of amortization	15,556,000	0	0	15,556,000	0
Stock-based compensation cost	3,505,000	0	3,505,000	0	0
Stock-based compensation cost (in shares)		0
Compensation earned on stock awards	1,200,000	0	1,200,000	0	0
Compensation earned on stock awards (in shares)		494,000
Sale of common stock	3,376,000	1,000	3,375,000	0	0
Sale of common stock (in shares)		1,263,000
Common stock purchased and retired	(1,041,000)	(1,000)	(1,040,000)	0	0
Common stock purchased and retired (in shares)		(1,132,000)
Recognized uncertain tax position	(363,000)	0	0	(363,000)	0
Reclassification of share-based awards liability	116,000	0	116,000	0	0
Recognition of potentially redeemable equity, net of amortization	(15,556,000)	0	0	(15,556,000)	0
Net loss	(146,392,000)	0	0	(146,392,000)	0
Balance at Dec. 31, 2011	14,577,000	20,000	189,074,000	(174,517,000)	0
Balance (in shares) at Dec. 31, 2011		40,775,000
Exercise of common stock options (in shares)	0
Stock-based compensation cost	107,000	0	107,000	0	0
Stock-based compensation cost (in shares)		110,000
Formation of Joint Venture	666,000	0	0	0	666,000
Net loss	(4,053,000)	0	0	(3,580,000)	(473,000)
Balance at Dec. 31, 2012	11,297,000	20,000	189,181,000	(178,097,000)	193,000
Balance (in shares) at Dec. 31, 2012		40,885,000
Exercise of common stock options (in shares)	0
Stock-based compensation cost	34,000	0	34,000	0	0
Stock-based compensation cost (in shares)		0
Net loss	(4,114,000)	0	0	(3,921,000)	(193,000)
Balance at Dec. 31, 2013	$ 7,217,000	$ 20,000	$ 189,215,000	$ (182,018,000)	$ 0
Balance (in shares) at Dec. 31, 2013		40,885,000