INDEBTEDNESS (Details 1) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Borrowing on secured term loan	$ 143,750	$ 143,750
Current component of long-term borrowing, net of unamortized deferred financing costs	5,692	3,353
Long-term borrowing, net of unamortized deferred financing costs and current borrowing component	65,954	69,946
Long Term Debt Current [Member]
Borrowing on secured term loan	6,094	3,750
Unamortized deferred financing costs	(402)	(397)
Current component of long-term borrowing, net of unamortized deferred financing costs	5,692	3,353
Long Term Debt Noncurrent [Member]
Borrowing on secured term loan	67,031	71,250
Unamortized deferred financing costs	(1,077)	(1,304)
Long-term borrowing, net of unamortized deferred financing costs and current borrowing component	$ 65,954	$ 69,946