Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2011	Dec. 31, 2010
LIABILITIES AND STOCKHOLDERS' EQUITY
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	100,000,000	100,000,000
Common stock, issued (in shares)	33,979,590	31,126,245
Common stock, outstanding (in shares)	33,979,590	31,126,245
Common stock subscribed for but not paid for or issued, shares (in shares)		285,000
Series B Preferred Stock [Member]
LIABILITIES AND STOCKHOLDERS' EQUITY
Preferred stock, authorized (in shares)	40,000	40,000
Preferred stock, issued (in shares)	163.7182	154.3940
Preferred stock, outstanding (in shares)	163.7182	154.3940
Preferred stock, preference in liquidation	$ 1,637,181
Series C Preferred Stock [Member]
LIABILITIES AND STOCKHOLDERS' EQUITY
Preferred stock, authorized (in shares)	10,000	10,000
Preferred stock, issued (in shares)	4,918.1	4,918.1
Preferred stock, outstanding (in shares)	4,918.1	4,918.1
Series D Preferred Stock [Member]
LIABILITIES AND STOCKHOLDERS' EQUITY
Preferred stock, authorized (in shares)	3,600,000
Preferred stock, issued (in shares)	3,506,000
Preferred stock, outstanding (in shares)	3,506,000
Preferred stock, preference in liquidation	$ 3,506,000