Quarterly report pursuant to Section 13 or 15(d)

FINANCING ARRANGEMENTS - Revolving credit facility (Details)

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FINANCING ARRANGEMENTS - Revolving credit facility (Details) - Equipment Loan - Synovus
3 Months Ended 6 Months Ended
Jun. 30, 2023
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2023
USD ($)
Financing arrangements      
Debt instrument, face $ 10,000,000.0 $ 10,000,000.0 $ 10,000,000.0
Maximum borrowing capacity $ 10,000,000.0 $ 10,000,000.0 $ 10,000,000.0
Interest rate 8.60% 8.60% 8.60%
Available borrowing capacity $ 8,600,000 $ 8,600,000 $ 8,600,000
Interest expense   $ 0 $ 0
SOFR      
Financing arrangements      
Spread on variable rate 3.50%