CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($) |
Sep. 30, 2018 |
Dec. 31, 2017 |
|---|---|---|
| Allowance for doubtful accounts (in Dollars) | $ 51,209 | $ 106,443 |
| Common stock: par value (in Dollars per share) | $ 0.001 | $ 0.001 |
| Common stock: shares authorized | 50,000,000 | 50,000,000 |
| Common stock: shares issued | 20,240,882 | 20,215,882 |
| Common stock: shares outstanding | 20,240,882 | 20,215,882 |