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Note 3 - Balance Sheet Components | 9 Months Ended
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Sep. 30, 2025
Notes to Financial Statements |
Supplemental Balance Sheet Disclosures [Text Block] | 3. BALANCE SHEET COMPONENTS The components of certain balance sheet amounts are as follows (in thousands):
|  | September 30, 2025 |  |  | December 31, 2024 |
Cash, cash equivalents and restricted cash: |  |  |  |  |  |  |  |
Cash |  | $ | 6,964 |  |  | $ | 7,925 |
Cash equivalents |  |  | 7,372 |  |  |  | 5,608 |
|  |  | 14,336 |  |  |  | 13,533 |
Restricted cash |  |  | 35 |  |  |  | 34 |
|  | $ | 14,371 |  |  | $ | 13,567 |
Inventories: |  |  |  |  |  |  |  |
Finished goods |  | $ | 1,798 |  |  | $ | 2,770 |
Raw materials |  |  | 356 |  |  |  | 502 |
|  | $ | 2,154 |  |  | $ | 3,272 |
Other accrued expenses: |  |  |  |  |  |  |  |
Sales returns |  | $ | 94 |  |  | $ | 85 |
Employee-related expense |  |  | 643 |  |  |  | 656 |
Warehousing, inventory-related and other |  |  | 747 |  |  |  | 684 |
|  | $ | 1,484 |  |  | $ | 1,425 |
Deferred revenue: |  |  |  |  |  |  |  |
Unshipped product and unredeemed product vouchers |  | $ | 4,491 |  |  | $ | 4,940 |
Auto ship advances |  |  | 1,520 |  |  |  | 1,488 |
|  | $ | 6,011 |  |  | $ | 6,428 |

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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://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/210/tableOfContent + Details
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