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COMPONENTS OF THE COMPANY'S CONSOLIDATED BALANCE SHEETS Components of Consolidated Balanec Sheet (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Accounts Receivable |  |
Accounts receivable trade | $ 58,718 | $ 46,849
Accrued ship and debit | (39,486) | (38,075)
Allowance for stock rotation and rebate | (1,700) | (1,721)
Allowance for doubtful accounts | (734) | (525)
Total | 16,798 | 6,528
Inventory, Net [Abstract] |  |
Raw materials | 15,517 | 14,610
Work-in-process | 16,765 | 15,194
Finished goods | 24,805 | 22,760
Total | 57,087 | 52,564
Prepaid Expense and Other Assets, Current [Abstract] |  |
Prepaid income tax | 460 | 2,431
Prepaid legal fees | 213 | 212
Prepaid maintenance agreements | 856 | 1,399
Advance to suppliers | 1,211 | 69
Interest receivable | 1,195 | 743
Other | 3,823 | 3,861
Total | $ 7,758 | $ 8,715

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