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CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Share-Based Payment Arrangement, Noncash Expense     $ 2,958 $ 6,052
Basic net loss per common share $ (0.15) $ (0.17) $ (0.86) $ (0.72)
Diluted net loss per common share $ (0.15) $ (0.17) $ (0.86) $ (0.72)
Weighted-average number of shares used basic per share amounts 18,801,754 16,596,333 18,402,919 16,106,528
Weighted-average number of shares used diluted per share amounts 18,801,754 16,596,333 18,402,919 16,106,528
General and Administrative Expense [Member]        
Share-Based Payment Arrangement, Noncash Expense $ 958 $ 188 $ 2,002 $ 1,130
Research and Development Expense [Member]        
Share-Based Payment Arrangement, Noncash Expense $ 327 $ 1,262 $ 956 $ 4,922