Organization and Summary of Significant Accounting Policies (Details Textual) (USD $) Share data in Millions, unless otherwise specified	1 Months Ended	3 Months Ended						6 Months Ended	9 Months Ended	12 Months Ended					12 Months Ended			12 Months Ended									12 Months Ended
	Oct. 31, 2009	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2012	Sep. 30, 2012	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Jun. 30, 2011	Mar. 31, 2007	Dec. 31, 2012 Building and Building Improvements [Member]	Dec. 31, 2012 Escrow [Member]	Sep. 02, 2010 Escrow [Member]	Dec. 31, 2012 Minimum [Member]	Dec. 31, 2012 Maximum [Member]	Dec. 31, 2012 Stock Option [Member]	Dec. 31, 2012 Level 3 [Member]	Dec. 31, 2011 Level 3 [Member]	Dec. 31, 2012 Black-Scholes Merton methodology [Member]	Dec. 31, 2011 Black-Scholes Merton methodology [Member]	Dec. 31, 2012 Derivative Warrants [Member] Black-Scholes Merton methodology [Member]	Dec. 31, 2011 Derivative Warrants [Member] Black-Scholes Merton methodology [Member]	Dec. 31, 2012 Warrant [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Purchase Price																$ 2,500,000	$ 5,000,000
Estimated useful life																		3 Years	5 years
Fair value using the Black-Scholes Merton methodology		3,909,000				347,000				3,909,000	347,000										0	0		300,000	100,000	100,000
Equity warrants Fair Value																							3,900,000	3,900,000
Antidilutive securities related to warrant and stock options																				1.7							3.7
Property and equipment estimated useful life										10 years					40 years
Organization and Summary of Significant Accounting Policies (Textual) [Abstract]
Reserve		(904,000)				(224,000)				(904,000)	(224,000)
Depreciation expense of Property and equipment										2,200,000	1,300,000	1,700,000
Sale of common stock	2.2									2.2
Income tax benefit (provision)		200,000	(132,000)	(76,000)	814,000	(368,000)	0	738,000	606,000	226,000	(368,000)	(9,748,000)
Interest Rate						9.00%					9.00%	8.00%		5.50%
Estimated taxable income										2.00%
Fair Value of warrant reclassified to Stockholder's equity						700,000					700,000
Deferred revenue		1,929,000	1,806,000	1,813,000	2,240,000	4,137,000	3,894,000	1,813,000	1,806,000	1,929,000	4,137,000		3,499,000
Revenue relating to funds from collaborative partners		1,800,000								1,800,000
Deferred revenue from product sales		400,000								400,000
Taxable gain from the sale of the oilseed processing business to DSM										$ 31,300,000