SUBSEQUENT EVENT (Details) (USD $)	0 Months Ended	12 Months Ended			1 Months Ended		3 Months Ended	1 Months Ended	0 Months Ended		1 Months Ended		1 Months Ended
	Jan. 22, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Mar. 18, 2013 Rights offering item	Dec. 31, 2012 RCF Minimum Rights offering	Mar. 18, 2013 RCF Short term financing	Mar. 18, 2013 RCF Short term financing Rights offering	Jan. 22, 2013 Subsequent event	Dec. 31, 2012 Subsequent event	Mar. 18, 2013 Subsequent event Rights offering item	Mar. 18, 2013 Subsequent event RCF Rights offering	Mar. 18, 2013 Subsequent event RCF Short term financing Rights offering
Subsequent event
Reverse stock split ratio	0.1								0.1
Effect of reverse stock split on the par value of the shares		$ 0.001	$ 0.001						$ 0.00
Effect of reverse stock split on the authorized number of shares		200,000,000	200,000,000						0
Common stock outstanding before reverse stock split (in shares)		161,100,000								161,100,000
Common stock outstanding (in shares)		16,150,163	9,400,501							16,150,163
Issuance of common stock, net		$ 20,264,692	$ 352,855	$ 19,138,091	$ 8,900,000						$ 8,900,000
Shares of common stock sold through a rights offering											3,500,000
Short term financing repaid								5,000,000					5,000,000
Number of shares of common stock issued upon conversion							1,960,000						1,960,000
Ownership percentage												32.80%
Number of non-transferrable subscription rights received (in shares)					0.3119						0.3119
Number of subscription rights issued for each share of common stock owned or subject to a warrant					1						1
Exercise price (in dollars per share)					$ 2.55						$ 2.55
Minimum total proceeds from rights offering under the standby purchase agreement						$ 8,000,000