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Long-Term Debt - Additional Information (Details) - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Sep. 30, 2022
Dec. 31, 2021
Jul. 09, 2021
Jun. 28, 2018
Debt Instrument            
Long-term debt $ 4,956,000     $ 5,026,000    
Principal maturities of long-term debt for 2022 206,000          
Principal maturities of long-term debt for 2023 4,481,000          
Principal maturities of long-term debt for 2025 182,000          
Principal maturities of long-term debt for 2026 77,000          
Principal maturities of long-term debt for 2026 $ 10,000          
Spread on variable rate 1.65%          
Amount drawn   $ 500,000        
Index Floor            
Debt Instrument            
Debt Instrument, Index Floor Rate 0.50%          
Line of credit payable to a financial institution; Interest rate option of bank prime or Libor plus 2.15% (B)(C)            
Debt Instrument            
Maximum borrowing capacity $ 6,000,000          
Commitment fee on unused portion of line of credit 0.25%          
Long-term debt $ 4,250,000     4,250,000    
Long-term Line of Credit     $ 6,000,000      
Line Of Credit, Lease For Equipment            
Debt Instrument            
Maximum borrowing capacity $ 657,000     712,000 $ 1,000,000  
Loan term for equipment covered by loan 60 months          
Long-term debt $ 657,000     712,000    
Long-term Line of Credit $ 4,250,000     4,250,000    
Equipment financing lease obligations; Interest rate fixed for term of each funding based upon the Lender's lease pricing at time of funding. Interest rate/ factor 1.822758% - 1.869304% at time of funding)(E)            
Debt Instrument            
Debt Instrument, Term 60 months          
Lease line of credit           $ 1,000,000
Lease term for equipment covered by lease line of credit 60 months          
Long-term debt $ 49,000     $ 64,000