SHARE-BASED PAYMENTS - Warrants Roll Forward (Details) |
3 Months Ended |
|---|---|
|
Mar. 31, 2021
$ / shares
shares
| |
| Common stock warrants | |
| Class of Warrant or Right [Line Items] | |
| Warrant Outstanding Beginning Balance | shares | 914,539 |
| Warrant Outstanding Ending Balance | shares | 914,539 |
| Common Stock Warrants Exercisable | shares | 914,539 |
| Weighted Average Exercise Price Outstanding Beginning Balance | $ / shares | $ 2.66 |
| Weighted Average Exercise Price Outstanding Ending Balance | $ / shares | 2.66 |
| Weighted Average Exercise Price Exercisable | $ / shares | $ 2.66 |
| Preferred stock warrants | |
| Class of Warrant or Right [Line Items] | |
| Warrant Outstanding Beginning Balance | shares | 806,903 |
| Warrant Outstanding Ending Balance | shares | 806,903 |
| Common Stock Warrants Exercisable | shares | 806,903 |
| Weighted Average Exercise Price Outstanding Beginning Balance | $ / shares | $ 0.49 |
| Weighted Average Exercise Price Outstanding Ending Balance | $ / shares | 0.49 |
| Weighted Average Exercise Price Exercisable | $ / shares | $ 0.49 |