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BALANCE SHEET COMPONENTS | 12 Months Ended
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Dec. 31, 2018
Balance Sheet Components [Abstract] |
BALANCE SHEET COMPONENTS | BALANCE SHEET COMPONENTS The components of certain balance sheet amounts are as follows (in thousands):
| December 31,
| 2018 |  | 2017
Cash and cash equivalents: |  |  |
Cash | $ | 47,323 |  |  | $ | 61,703 |
Cash equivalents | 85,330 |  |  | 73,608 |
| 132,653 |  |  | 135,311 |
Restricted cash | 2,998 |  |  | 3,167 |
| $ | 135,651 |  |  | $ | 138,478 |
Inventories: |  |  |
Finished goods | $ | 11,171 |  |  | $ | 7,779 |
Raw materials | 1,145 |  |  | 799 |
Reserve for obsolescence | (151 | ) |  | (180 | )
| $ | 12,165 |  |  | $ | 8,398 |
Property and equipment: |  |  |
Office equipment | $ | 537 |  |  | $ | 530 |
Office software | 918 |  |  | 916 |
Machinery | 29 |  |  | 30 |
Furniture and fixtures | 319 |  |  | 276 |
Leasehold improvements | 1,022 |  |  | 957 |
Construction in progress (including internal-use software development costs) | 19 |  |  | 10 |
Property and equipment, at cost | 2,844 |  |  | 2,719 |
Accumulated depreciation and amortization | (1,910 | ) |  | (1,570 | )
| $ | 934 |  |  | $ | 1,149 |
Other accrued expenses: |  |  |
Sales returns | $ | 801 |  |  | $ | 614 |
Employee-related expense | 4,051 |  |  | 5,568 |
Warehousing, inventory-related and other | 1,269 |  |  | 1,423 |
| $ | 6,121 |  |  | $ | 7,605 |
Deferred revenue: |  |  |  |  |
Unshipped product | $ | 4,574 |  |  | $ | 2,411 |
Auto ship advances | 1,876 |  |  | 1,665 |
Other | 345 |  |  | 379 |
| $ | 6,795 |  |  | $ | 4,455 |
As of December 31, 2018, cash and cash equivalents include $11.1 million held in banks located within China subject to foreign currency controls.

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- Definition Balance Sheet Components [Abstract] + References No definition available. + Details
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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI http://asc.fasb.org/topic&trid=2122208 + Details
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