STOCKHOLDERS' EQUITY - Summary of Warrant activity (Details) - Warrant [Member] - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Class of Warrant or Right [Line Items]
Options Outstanding at the beginning	235,095
Granted		235,095
Granted (in dollars per share)		$ 5.89
Options Outstanding at the beginning (in dollars per share)	$ 5.89
Exercised	(42,676)
Exercised (in dollars per share)	$ (6.10)
Options Outstanding at the end	192,419	235,095
Options Outstanding at the end (in dollars per share)	$ 5.84	$ 5.89