UNAUDITED CONSOLIDATED BALANCE SHEETS (Parentheticals) - $ / shares |
Jun. 30, 2020 |
Dec. 31, 2019 |
|---|---|---|
| CONSOLIDATED BALANCE SHEETS [Abstract] | ||
| Preferred stock par value | $ 0.0001 | $ 0.0001 |
| Preferred stock shares authorized | 1,000,000 | 1,000,000 |
| Preferred stock shares issued | 23,032 | 23,242 |
| Preferred stock shares outstanding | 23,032 | 23,242 |
| Common stock par value | $ 0.0001 | $ 0.0001 |
| Common stock shares authorized | 250,000,000 | 250,000,000 |
| Common stock shares issued | 13,466,174 | 13,360,356 |
| Common stock shares outstanding | 13,466,174 | 13,360,356 |