ACCOUNTS RECEIVABLE (SCHEDULE OF CHANGE IN ALLOWANCE) (DETAILS) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
ACCOUNTS RECEIVABLE AND SIGNIFICANT CLIENTS [Abstract]
Balance, beginning of year	$ 3,635	$ 3,559	$ 6,306
Provision for doubtful accounts	695	368	363
Uncollectible receivables written-off	(315)	(209)	(2,868)
Effect of foreign currency	(200)	(83)	(242)
Balance, end of year	$ 3,815	$ 3,635	$ 3,559