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COMPONENTS OF THE COMPANY'S CONDENSED CONSOLIDATED BALANCE SHEETS Prepaid Expenses and Other Current Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Balance Sheet Related Disclosures [Abstract]    
Prepaid legal fees $ 200 $ 2,023
Prepaid income tax 855 309
Prepaid maintenance agreements 1,463 736
Interest receivable 401 519
Advance to suppliers 313 324
Other 3,246 2,879
Total $ 6,478 $ 6,790