CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Dec. 31, 2012	Dec. 31, 2011
CONSOLIDATED BALANCE SHEETS [Abstract]
Allowance for uncollectible accounts of accounts receivable	$ 16,485	$ 24,355
Preferred stock, par value per share	$ 0.001	$ 0.001
Preferred stock, shares authorized	500,000	500,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, par value per share	$ 0.001	$ 0.001
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	47,399,233	46,830,504
Common stock, shares outstanding	47,399,233	46,830,504