STOCKHOLDERS' EQUITY, Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Additional General Disclosures [Abstract]
Proceeds from stock option exercises	$ 2,191,816	$ 2,570,830
Stock Options [Member]
Additional General Disclosures [Abstract]
Proceeds from stock option exercises	$ 2,191,816	2,570,830
Closing price of common stock (in dollars per share)	$ 56.94
Unrecognized compensation cost	$ 3,000,000
Weighted average period for recognition of unrecognized compensation cost	3 years 4 months 20 days
General and Administrative [Member] | Stock Options [Member]
Additional General Disclosures [Abstract]
Stock-based compensation expense	$ 600,000	$ 300,000