SHAREHOLDERS' EQUITY - (Summary Information about Stock Options Outstanding and Exercisable) (Details)	12 Months Ended
	Dec. 31, 2018 USD ($) $ / shares shares
Equity [Abstract]
Exercise price range lower limit (in dollars per share)	$ 2.45
Exercise price range upper limit (in dollars per share)	$ 4.4
Share outstanding and exercisable (in shares) | shares	39,017
Weighted Average Remaining Contractual Term (in years)	2 years 10 months 19 days
Weighted average exercise price (in dollars per share)	$ 3.80
Aggregate intrinsic value | $	$ 628,993