STOCK BASED COMPENSATION - Narrative (Details)						12 Months Ended
	May 14, 2021 USD ($) employee anniversary $ / shares shares	Jun. 19, 2020 USD ($) employee anniversary $ / shares shares	Oct. 29, 2019 USD ($) anniversary $ / shares shares	Oct. 09, 2019 USD ($) anniversary employee $ / shares shares	May 20, 2019 USD ($) employee anniversary $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award
Share based compensation expense | $						$ 862,564	$ 656,111	$ 642,840
Options granted (in shares) | shares						1,321,240	686,038	1,150,000
Options granted - weighted average exercise price (in dollars per share) | $ / shares						$ 1.93	$ 0.81	$ 1.40
Options granted - grant date fair value | $						$ 2,066,590	$ 355,404	$ 1,148,662
Total unrecognized compensation cost | $						$ 2,346,598
Cost not recognized, weighted average period						2 years
2019 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award
Number of anniversaries | anniversary	4	4	4
Options granted - grant date fair value | $	$ 2,066,590	$ 355,404	$ 93,471
Amortization rate | $	$ 18,223	$ 7,404	$ 1,947
2013 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award
Number of anniversaries | anniversary				4	4
Options granted - grant date fair value | $				$ 65,293	$ 989,898
Amortization rate | $				$ 1,360	$ 20,623
Stock option | 2019 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award
Annual vesting percentage	25.00%	25.00%	25.00%
Stock option | 2019 Equity Incentive Plan | Employee
Share-based Compensation Arrangement by Share-based Payment Award
Number of employees granted options | employee	21	3
Options granted (in shares) | shares	924,720	416,885	125,000
Options granted - weighted average exercise price (in dollars per share) | $ / shares	$ 1.92	$ 0.78	$ 1.00
Term of stock option (in year)	10 years	10 years	5 years
Stock option | 2019 Equity Incentive Plan | Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award
Number of employees granted options | employee	1	1
Options granted (in shares) | shares	96,520	269,153
Options granted - weighted average exercise price (in dollars per share) | $ / shares	$ 2.12	$ 0.86
Term of stock option (in year)	5 years	5 years
Stock option | 2019 Equity Incentive Plan | Board Member
Share-based Compensation Arrangement by Share-based Payment Award
Number of employees granted options | employee	5
Options granted (in shares) | shares	300,000
Options granted - weighted average exercise price (in dollars per share) | $ / shares	$ 1.92
Term of stock option (in year)	10 years
Stock option | 2013 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award
Annual vesting percentage				25.00%	25.00%
Stock option | 2013 Stock Incentive Plan | Employee
Share-based Compensation Arrangement by Share-based Payment Award
Number of employees granted options | employee				1	12
Options granted (in shares) | shares				75,000	487,000
Options granted - weighted average exercise price (in dollars per share) | $ / shares				$ 1.13	$ 1.45
Term of stock option (in year)				5 years	10 years
Stock option | 2013 Stock Incentive Plan | Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award
Number of employees granted options | employee					1
Options granted (in shares) | shares					163,000
Options granted - weighted average exercise price (in dollars per share) | $ / shares					$ 1.60
Term of stock option (in year)					5 years
Stock option | 2013 Stock Incentive Plan | Board Member
Share-based Compensation Arrangement by Share-based Payment Award
Number of employees granted options | employee					5
Options granted (in shares) | shares					300,000
Options granted - weighted average exercise price (in dollars per share) | $ / shares					$ 1.45
Term of stock option (in year)					10 years