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SUPPLEMENTARY CONSOLIDATED BALANCE SHEET INFORMATION (Schedule of Other Long-Term Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
SUPPLEMENTARY BALANCE SHEET INFORMATION [Abstract]
Long-term tax accrual	$ 776	$ 871
Deferred revenue		15
Other	1,505	3,092
Other long-term liabilities	$ 2,281	$ 3,978

The noncurrent portion of deferred revenue amount as of balance sheet date. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized, and is not expected to be recognized in the next twelve months. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

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