EARNINGS PER SHARE - Basic earnings per share of common stock (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Basic and diluted earnings per share:
Net Income (Loss)	$ (204,480)	$ 276,000	$ (201,322)	$ 710,381
Weighted average common shares outstanding, basic	2,891,203	2,871,026	2,888,378	2,873,129
Weighted average common shares outstanding, diluted	2,891,203	2,871,026	2,888,378	2,873,129
Net income per share (basic) (in dollars per share)	$ (0.07)	$ 0.10	$ (0.07)	$ 0.25
Net income per share (diluted) (in dollars per share)	$ (0.07)	$ 0.10	$ (0.07)	$ 0.25
Options outstanding	0	0	0	0