Consolidated Balance Sheets [Parenthetical] (USD $)	Dec. 31, 2012	Dec. 31, 2011
Allowance for doubtful accounts receivable (in dollars)	$ 76,886	$ 61,584
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	110,000,000	110,000,000
Common stock, shares issued	63,751,857	63,226,857
Common stock, shares outstanding	63,751,857	63,226,857