SHARE-BASED COMPENSATION - Stock option activity (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Options Outstanding
Balance at the beginning	255,147
Balance at the end	297,559	255,147
Weighted Average Remaining Contractual Term (in years)
Weighted Average Remaining Contractual Term (in years)			8 years 21 days
2013 and 2021 Stock Incentive Plan
Options Outstanding
Balance at the beginning	255,147	251,847
Granted	131,668	70,164
Exercised	(81,043)	(55,694)
Cancelled/forfeited	(8,213)	(11,170)
Balance at the end	297,559	255,147	251,847
Options exercisable at the end	124,817
Weighted Average Exercise Price
Balance at the beginning (in dollars per share)	$ 2.32	$ 1.00
Granted (in dollars per share)	1.60	5.74
Exercised (in dollars per share)	1.00	1.00
Cancelled/forfeited (in dollars per share)	1.18	1.00
Balance at the end (in dollars per share)	2.69	$ 2.32	$ 1.00
Options exercisable at the end (in dollars per share)	$ 2.73
Weighted Average Remaining Contractual Term (in years)
Weighted Average Remaining Contractual Term (in years)	6 years 11 months 15 days	7 years 9 months
Options exercisable at the end (in years)	3 years 6 months
Aggregate Intrinsic Value
Balance at the beginning (in dollars)	$ 1,550,409	$ 89,100
Granted (in dollars)	35,725	432,520
Exercised (in dollars)	216,626	379,276
Balance at the end (in dollars)	63,237	$ 1,550,409	$ 89,100
Options exercisable at the end (in dollars)	$ 33,090