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NET LOSS PER SHARE (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Mar. 31, 2022
Jun. 30, 2021
Mar. 31, 2021
Jun. 30, 2022
Jun. 30, 2021
NET LOSS PER SHARE            
Net loss $ (7,678) $ (2,391) $ (9,017) $ (5,228) $ (10,069) $ (14,245)
Weighted average common shares outstanding:            
Basic 23,812,329   23,525,728   23,752,775 23,501,900
Diluted 23,812,329   23,525,728   23,752,775 23,501,900
Basic loss per share of common stock $ (0.32)   $ (0.38)   $ (0.42) $ (0.61)
Diluted loss per share of common stock $ (0.32)   $ (0.38)   $ (0.42) $ (0.61)