9. COMMON STOCK AND WARRANTS (Details Narrative) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Fair value adjustments for warrants	$ 1,954	$ 4,451
September 2012 Public Offering
Proceeds from offering	10,091
Underwriting and issuance costs	909
Common stock and warrants issued	27,500,000
July 2012 Public Offering
Proceeds from offering	10,903
Underwriting and issuance costs	1,137
Common stock and warrants issued	28,000,000
Warrants exercised, shares	50,000
Warrants exercised, value	22
December 2011 Private Placement
Proceeds from offering		7,364
Underwriting and issuance costs		$ 642
Common stock and warrants issued		7,625,000