BASIC AND DILUTED EARNINGS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block]

	Year Ended December 31,
	2016		2017		2018
Numerator:
Net income	$	16,238	$	4,030	$	13,493
Denominator:
Denominator for basic earnings per share - weighted average number of ordinary shares, net of treasury stock		35,173,562		31,103,703		28,928,060
Effect of dilutive securities:
Employee stock options, warrants and RSUs		605,292		1,064,659		1,291,746
Denominator for diluted earnings per share - adjusted weighted average number of shares		35,778,854		32,168,362		30,219,806