SHAREHOLDERS' EQUITY (Schedule of Non-cash Share-based Compensation Expense) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Non-cash share-based compensation expense [Line Items]
Non-cash share-based compensation expense	$ 2,597	$ 2,458
Cost of revenues
Non-cash share-based compensation expense [Line Items]
Non-cash share-based compensation expense	57	78
Research and development, net
Non-cash share-based compensation expense [Line Items]
Non-cash share-based compensation expense	344	398
Sales and marketing, net
Non-cash share-based compensation expense [Line Items]
Non-cash share-based compensation expense	585	606
General and administrative
Non-cash share-based compensation expense [Line Items]
Non-cash share-based compensation expense	$ 1,611	$ 1,376