|
CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $)
|
Sep. 30, 2012
|
Dec. 31, 2011
|
|---|---|---|
| Allowance for doubtful accounts (in Dollars) | $ 22,200 | $ 22,200 |
| Common stock par value (in Dollars per share) | $ 0.001 | $ 0.001 |
| Common stock, shares authorized (in Shares) | 40,000,000 | 40,000,000 |
| Common stock, shares issued (in Shares) | 18,817,406 | 18,817,406 |
| Common stock, shares outstanding (in Shares) | 17,399,727 | 17,337,901 |
| Treasury stock, shares (in Shares) | 1,417,679 | 1,479,505 |