ACCOUNTS RECEIVABLE (Schedule Of Changes In Allowance For Doubtful Accounts) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Accounts Receivable, Net [Abstract]
Balance, beginning of period	$ 1,531	$ 439
Write-off	(100)	(76)
Current provision	29	2,416
Balance, end of period	$ 1,442	$ 1,531