CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Dec. 31, 2011	Dec. 31, 2010
Statement of Financial Position [Abstract]
Allowance for uncollectible accounts of accounts receivable	$ 24,355	$ 32,654
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, authorized	500,000	500,000
Preferred stock, issued
Preferred stock, outstanding
Common stock, par value	$ 0.001	$ 0.001
Common stock, authorized	100,000,000	100,000,000
Common stock, issued	46,830,504	46,070,437
Common stock, outstanding	46,830,504	46,070,437