STOCKHOLDERS' EQUITY - Company's Option Activity (Details) - Employee Stock Option [Member]	3 Months Ended
	Mar. 31, 2021 $ / shares shares
Number of Shares
Options Outstanding at the beginning	136,750
Granted	309,564
Expired/cancelled	0
Options Outstanding at the end	446,314
Options exercisable at the end	44,099
Weighted-Average Exercise Price
Options Outstanding at the beginning (in dollars per share) | $ / shares	$ 4.97
Granted (in dollars per share) | $ / shares	7.8
Options Outstanding at the end (in dollars per share) | $ / shares	6.93
Options exercisable at the end (in dollars per share) | $ / shares	$ 5.52