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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Impairment of Long-lived Assets) (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Equipment under capital leases, net of accumulated depreciation $ 603 $ 1,400
Equipment under capital leases, accumulated depreciation 205 $ 500
Future minimum payments of capital leases:    
2017 206  
2018 176  
2019 185  
2021 36  
Total minimum capital lease payments $ 603