STOCK OPTIONS - Stock Option Activity (Details) - USD ($)					12 Months Ended
	Apr. 09, 2021	Mar. 11, 2020	Mar. 15, 2019	Aug. 27, 2015	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Shares
Options outstanding, beginning of period (in shares)					841,275	625,800	395,550
Granted (in shares)	234,500	238,500	240,000	58,125	234,500	238,500	240,000
Exercised (in shares)					0	0	0
Forfeited (in shares)				(26,250)	(41,250)	(23,025)	(9,750)
Expired (in shares)					0	0	0
Options outstanding, end of period (in shares)				31,875	1,034,525	841,275	625,800	395,550
Options exercisable at end of period (in shares)					172,500
Weighted Average Exercise Price
Options outstanding, weighted average exercise price, beginning of period (in dollars per share)					$ 28.17	$ 29.29	$ 30.08
Granted,weighted average exercise price (in dollars per share)	$ 24.23	$ 25.34	$ 28.01	$ 28.02	24.23	25.34	28.01
Exercised, weighted average exercise price (in dollars per share)					0	0	0
Forfeited, weighted average exercise price (in dollars per share)					29.30	29.44	29.64
Expired, weighted average exercise price (in dollars per share)					0	0	0
Options outstanding, weighted average exercise price, end of period (in dollars per share)					27.23	$ 28.17	$ 29.29	$ 30.08
Options exercisable at end of period, weighted average exercise price (in dollars per share)					$ 29.71
Weighted Average Remaining Contractual Term
Options outstanding, weighted average remaining contractual terms (in years)					7 years 5 months 23 days	7 years 11 months 4 days	8 years 11 months 19 days	8 years 11 months 19 days
Options granted, weighted average remaining contractual terms (in years)					9 years 3 months 10 days	9 years 2 months 15 days	9 years 2 months 15 days
Options exercisable, weighted average remaining contractual term (in years)					5 years 6 months 18 days
Aggregate Intrinsic Value					$ 0	$ 159,795	$ 3,923,463	$ 4,019,522
Aggregate intrinsic value, exercisable					$ 0