SETTLEMENT WITH HERBAL SCIENCE (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended				12 Months Ended				12 Months Ended
	Jun. 30, 2011	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012	Mar. 31, 2011	Dec. 31, 2011 Rice Rx, LLC (RRX) [Member]	Dec. 31, 2010 Rice Rx, LLC (RRX) [Member]	Jun. 30, 2011 Rice Rx, LLC (RRX) [Member]	Mar. 31, 2011 Rice Rx, LLC (RRX) [Member]	Dec. 31, 2012 Rice Science, LLC (RS) [Member]	Dec. 31, 2011 Rice Science, LLC (RS) [Member]	Jun. 30, 2011 Rice Science, LLC (RS) [Member]	Mar. 31, 2011 Rice Science, LLC (RS) [Member]
Loss Contingencies [Line Items]
Proof of claim			$ 1.5
Stipulated settlement agreement			0.9
Cash payments of obligations		0.4
Remaining balance of obligation					0.5
Stock issued as settlement (in shares)	2,576,775
Warrants issued as a part of the settlement (in shares)	605,730
Exercise price of warrants granted (in dollars per share)	$ 0.23	$ 1.13		$ 0.31
Fair value of common stock and warrant issued in excess of obligation to buyer	0.2
Fair value of stock issued	0.6
Fair value of warrants issued	0.1
Ownership interest in equity investee (in hundredths)								100.00%	50.00%			100.00%	80.00%
Satisfaction of liabilities from equity investees		0.6
Payment of interest on liabilities		0.1
Attorneys fees		0.1
Additional ownership interest in equity investees		0.1
Payment of liabilities of equity investees		0.3
Cash paid for equity investee's interest and the noncontrolling interest derecognized with the transaction		0.3
Gain (loss) on increased ownership interests and net liabilities assumed		0				(0.1)					0
Loss from operations of investee						$ 0	$ 0			$ 0	$ 0