OTHER ASSETS, NET (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015	Dec. 31, 2014
OTHER ASSETS, NET [Abstract]
Deferred commission expense - noncurrent	$ 2,035	$ 2,083		$ 2,988
Trade receivables - noncurrent	706	1,025		2,171
Other, net of allowance for loss on loan receivable of $412 at June 30, 2016 and $0 at December 31, 2015	1,072	1,207		458
Total	3,813	4,315	$ 3,937	$ 5,617
Other, allowance for loss on loan receivable	$ 412	$ 0