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Balance Sheet Components - Accounts Receivable, Net, Prepaid Expenses and Other Current Assets, Inventories, Property and Equipment, Net (Detail) - USD ($) $ in Thousands | Oct. 02, 2015 | Apr. 03, 2015 | Dec. 31, 2014
--- | --- | --- | ---
Accounts receivable, net: |  |  |  |  |  |
Accounts receivable |  | $ 67,304 |  |  | $ 81,201 |
Less: allowances for doubtful accounts, returns and discounts |  | (3,176) |  |  | (7,057) |
Total |  | 64,128 |  |  | 74,144 |
Prepaid expenses and other current assets: |  |  |  |  |  |
Prepaid inventories to contract manufacturer(1) |  | 14,200 | [1] | $ 14,200 | 0 | [1]
Prepaid software license to Vislink(2) | [2] | 0 |  |  | 1,233 |
Other Prepayments |  | 10,963 |  |  | 9,713 |
Deferred cost of revenue |  | 2,794 |  |  | 2,524 |
Income tax receivable |  | 1,914 |  |  | 2,316 |
Restricted cash(3) | [3] | 1,091 |  |  |  |
Other |  | 747 |  |  | 1,753 |
Prepaid Expense and Other Assets, Current |  | 31,709 |  |  | 17,539 |
Inventories: |  |  |  |  |  |
Raw materials |  | 2,400 |  |  | 1,422 |
Work-in-process |  | 1,526 |  |  | 1,255 |
Finished goods |  | 35,947 |  |  | 30,070 |
Total inventories, net |  | 39,873 |  |  | 32,747 |
Property and equipment, net: |  |  |  |  |  |
Furniture and fixtures |  | 7,820 |  |  | 7,691 |
Machinery and equipment |  | 120,067 |  |  | 116,031 |
Leasehold improvements |  | 10,307 |  |  | 8,140 |
Property and equipment, gross |  | 138,194 |  |  | 131,862 |
Less: accumulated depreciation and amortization |  | (111,575) |  |  | (104,641) |
Property and equipment, net |  | $ 26,619 |  |  | $ 27,221 |
[1] | During the first quarter of 2015, the Company made a $14.2 million advance payment for future inventory requirements to a supplier in order to secure more favorable pricing. The Company anticipates that this amount will begin to offset in the fourth quarter of 2015 through the second quarter of 2016 against the accounts payable owed to this supplier.
[2] | The prepaid inventories were related to prepayment for software licenses made to Vislink (see Note 4, “Investments in Other Equity Securities” for additional information on Vislink).
[3] | The Company has restricted cash of $0.5 million that serves as collateral for rent guarantees on certain operating leases in Israel. Additionally, the Company holds $0.6 million of restricted cash as collateral for its corporate card credit facility in Switzerland. These restricted funds are invested in bank deposits and cannot be withdrawn from the Company’s accounts without the prior written consent of the applicable secured party.

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