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Derivatives and Fair Value Disclosures - Schedule of the Company's interest rate swap arrangements (Detail) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Derivatives, Fair Value [Line Items]    
Fair Value Asset/(Liability) $ 7,102,855 $ (3,151,880)
Derivative, notional amount $ 100,683,377 89,472,475
Swap 1    
Derivatives, Fair Value [Line Items]    
Effective Date Aug. 16, 2017  
Termination Date May 16, 2025  
Fixed Rate (Company Pays) 2.12%  
Floating Rate(Company Receives) 3-month U.S. dollar LIBOR  
Fair Value Asset/(Liability) $ 536,901 (358,988)
Derivative, notional amount $ 10,664,750 11,680,250
Swap 2    
Derivatives, Fair Value [Line Items]    
Effective Date Apr. 10, 2018  
Termination Date Dec. 11, 2025  
Fixed Rate (Company Pays) 2.74%  
Floating Rate(Company Receives) 3-month U.S. dollar LIBOR  
Fair Value Asset/(Liability) $ 955,139 (1,398,025)
Derivative, notional amount $ 23,308,000 25,380,000
Swap 3    
Derivatives, Fair Value [Line Items]    
Effective Date Feb. 16, 2019  
Termination Date Feb. 16, 2024  
Fixed Rate (Company Pays) 2.89%  
Floating Rate(Company Receives) 3-month U.S. dollar LIBOR  
Fair Value Asset/(Liability) $ 256,813 (486,439)
Derivative, notional amount $ 10,664,750 11,680,250
Swap 4    
Derivatives, Fair Value [Line Items]    
Effective Date Jan. 21, 2021  
Termination Date Jan. 21, 2028  
Fixed Rate (Company Pays) 0.73%  
Floating Rate(Company Receives) 3-month U.S. dollar LIBOR  
Fair Value Asset/(Liability) $ 1,398,984 (293,862)
Derivative, notional amount $ 11,866,750 13,210,750
Swap 5    
Derivatives, Fair Value [Line Items]    
Effective Date Jan. 21, 2021  
Termination Date Jan. 21, 2028  
Fixed Rate (Company Pays) 0.73%  
Floating Rate(Company Receives) 3-month U.S. dollar LIBOR  
Fair Value Asset/(Liability) $ 1,393,330 (292,709)
Derivative, notional amount $ 11,829,250 13,173,250
Swap 6    
Derivatives, Fair Value [Line Items]    
Effective Date Jan. 21, 2021  
Termination Date Jan. 21, 2028  
Fixed Rate (Company Pays) 0.74%  
Floating Rate(Company Receives) 3-month U.S. dollar LIBOR  
Fair Value Asset/(Liability) $ 864,286 (321,857)
Derivative, notional amount $ 7,197,547 14,347,975
Swap 7    
Derivatives, Fair Value [Line Items]    
Effective Date Feb. 05, 2022  
Termination Date Jun. 30, 2026  
Fixed Rate (Company Pays) 1.49%  
Floating Rate(Company Receives) 3-month U.S. dollar LIBOR  
Fair Value Asset/(Liability) $ 1,697,402 0
Derivative, notional amount $ 25,152,330 $ 0