NET INCOME PER SHARE (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Stock Options [Member]
Net Income Per Share [Abstract]
Common equivalent shares attributable to stock options included in calculation of diluted net income per share (in shares)	24,015	75,497	39,626	96,923
Antidilutive securities excluded from earnings per share calculation (in shares)	60,000	0	60,000	0
Restricted Stock [Member]
Net Income Per Share [Abstract]
Common equivalent shares attributable to stock options included in calculation of diluted net income per share (in shares)	807		1,410
Antidilutive securities excluded from earnings per share calculation (in shares)	500		0