Consolidated Balance Sheets (Parenthetical) - USD ($)	Mar. 31, 2012	Dec. 31, 2011
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 773,539	$ 746,439
PREFERRED STOCK
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, authorized	50,000,000	50,000,000
Preferred stock, issued	0	0
COMMON STOCK
Common stock, par value	$ 0.001	$ 0.001
Common stock, authorized	200,000,000	200,000,000
Common stock, issued	169,133,450	169,133,450