ACCOUNTS RECEIVABLE (Schedule Of Changes In Allowance For Doubtful Accounts) (Details) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
ACCOUNTS RECEIVABLE [Abstract]
Balance, beginning of period	$ 439	$ 696	$ 696
Write-off	(76)		(493)
Current provision (recovery)	1,614	$ (15)	236
Balance, end of period	$ 1,977		$ 439