BALANCE SHEETS (Parenthetical) (USD $)	Dec. 31, 2011	Dec. 31, 2010
Accounts receivable, allowance for doubtful accounts	$ 237,844	$ 179,416
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	25,000,000	25,000,000
Common stock, shares issued	4,704,305	4,586,305
Common stock, shares outstanding	4,704,305	4,586,305
Treasury stock, shares	1,000	1,000