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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME      
Net income (loss) $ 3,723,273 $ (2,700,163) $ 1,424,528
Other comprehensive income (loss):      
Net unrealized gain (loss) on derivative instruments for interest rate swaps 294,931 0 0
Comprehensive income (loss) $ 4,018,204 $ (2,700,163) $ 1,424,528