Quarterly report pursuant to Section 13 or 15(d)

DEBT AND INTEREST EXPENSE - Additional information (Details)

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DEBT AND INTEREST EXPENSE - Additional information (Details) - USD ($)
1 Months Ended
Aug. 31, 2023
May 31, 2023
Mar. 31, 2023
Dec. 31, 2022
Aug. 31, 2022
Jan. 31, 2022
Jan. 12, 2022
Mar. 31, 2021
DEBT AND INTEREST EXPENSE                
Long-term debt     $ 22,843,000 $ 27,765,000        
Cash balance $ 8,750,000              
Increase on desposits $ 10,000,000.0              
East West Bank                
DEBT AND INTEREST EXPENSE                
Maximum borrowing capacity               $ 7,500,000
Term loan                
DEBT AND INTEREST EXPENSE                
Maximum borrowing capacity     10,000,000.0          
Amount borrowed         $ 5,000,000.0 $ 15,000,000.0    
Outstanding borrowings   $ 10,000,000.0            
Term loan | Third Amendment | East West Bank                
DEBT AND INTEREST EXPENSE                
Maximum borrowing capacity             $ 20,000,000.0  
Revolving line of credit                
DEBT AND INTEREST EXPENSE                
Maximum borrowing capacity     0          
Revolving line of credit | Third Amendment | East West Bank                
DEBT AND INTEREST EXPENSE                
Maximum borrowing capacity     $ 3,000,000.0       $ 10,000,000.0