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COMPONENTS OF THE COMPANY'S CONSOLIDATED BALANCE SHEETS Components of Consolidated Balanec Sheet (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Accounts Receivable |  |
Accounts receivable trade | $ 54,055 | $ 58,718
Accrued ship and debit | (40,118) | (39,486)
Allowance for stock rotation and rebate | (2,159) | (1,700)
Allowance for doubtful accounts | (706) | (734)
Total | 11,072 | 16,798
Inventory, Net [Abstract] |  |
Raw materials | 41,138 | 15,517
Work-in-process | 15,612 | 16,765
Finished goods | 24,107 | 24,805
Total | 80,857 | 57,087
Prepaid Expense and Other Assets, Current [Abstract] |  |
Prepaid income tax | 3,081 | 460
Prepaid legal fees | 181 | 213
Prepaid maintenance agreements | 2,047 | 856
Advance to suppliers | 2,157 | 1,211
Interest receivable | 595 | 1,195
Other | 3,854 | 3,823
Total | $ 11,915 | $ 7,758

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