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STOCK BASED COMPENSATION, Stock options given to third-party consultant, Narratives (Details) - USD ($)
 1 Months Ended 12 Months Ended
Jan. 31, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
STOCK BASED COMPENSATION        
Number of common stock reserved for issuance     4,759,109 1,000,000
Number of unvested nonemployee shares   53,034 53,714 0
Number of shares vested   10,680 6,518  
Weighted average grant-date fair value of options granted $ 2.48 $ 3.82 $ 1.96  
Board of Directors        
STOCK BASED COMPENSATION        
Number of common stock reserved for issuance   10,000 60,232  
Third-party consultant        
STOCK BASED COMPENSATION        
Number of unvested nonemployee shares   53,034 53,714  
Number of shares vested   10,680 6,518  
Weighted average grant-date fair value of options granted   $ 2.20 $ 1.96  
Total unrecognized compensation cost related to unvested stock options granted   $ 116,655 $ 105,279  
Total unrecognized compensation cost expected to be recognized over a weighted-average period   4 years