CREDIT FACILITY - Interest expense and amortized loan fees (Details) - Senior Secured Revolving Credit Agreement - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
CREDIT FACILITY
Interest expense	$ 2,575,787	$ 1,406,123	$ 5,800,223	$ 3,873,550
Loan fee amortization	148,121	150,598	420,356	390,298
Total interest and financing expenses	$ 2,723,908	$ 1,556,721	$ 6,220,579	$ 4,263,848
Weighted average interest rate	4.90%	2.80%	3.80%	2.80%
Effective interest rate (including fee amortization)	5.20%	3.20%	4.10%	3.30%
Average debt outstanding	$ 207,437,767	$ 191,891,304	$ 201,712,826	$ 174,057,143
Cash paid for interest	$ 2,548,660	$ 1,415,901	$ 5,772,502	$ 3,904,908