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v3.22.2.2

Note 3 - Balance Sheet Components - Summary of Balance Sheet Amounts (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Cash | $ 12,080 | $ 17,281
Cash equivalents | 58,583 | 66,562
Cash and cash equivalents | 70,663 | 83,843
Restricted cash | 69 | 522
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Ending Balance | 70,732 | 84,365
Inventories: |  |
Finished goods | 4,304 | 4,476
Raw materials | 769 | 873
Reserve for obsolescence | (84) | (92)
Inventory, Net, Total | 4,989 | 5,257
Other accrued expenses: |  |
Sales returns | 89 | 137
Employee-related expense | 728 | 988
Warehousing, inventory-related and other | 504 | 808
Accrued Liabilities, Current, Total | 1,321 | 1,933
Deferred revenue: |  |
Deferred revenue | 5,254 | 8,536
Unshipped Product [Member] |  |
Deferred revenue: |  |
Deferred revenue | 3,400 | 6,525
Auto ship advances [Member] |  |
Deferred revenue: |  |
Deferred revenue | 1,771 | 1,901
Product and Service, Other [Member] |  |
Deferred revenue: |  |
Deferred revenue | $ 83 | $ 110

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