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Note 4 - Balance Sheet Components | 12 Months Ended
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Dec. 31, 2024
Notes to Financial Statements |
Supplemental Balance Sheet Disclosures [Text Block] | 4. BALANCE SHEET COMPONENTS The components of certain balance sheet amounts are as follows (in thousands):
|  | December 31, |
|  | 2024 |  |  | 2023 |
Cash, cash equivalents and restricted cash: |  |  |  |  |  |  |  |
Cash |  | $ | 7,925 |  |  | $ | 8,971 |
Cash equivalents |  |  | 5,608 |  |  |  | 47,207 |
|  |  | 13,533 |  |  |  | 56,178 |
Restricted cash |  |  | 34 |  |  |  | 39 |
|  | $ | 13,567 |  |  | $ | 56,217 |
Inventories: |  |  |  |  |  |  |  |
Finished goods |  | $ | 2,770 |  |  | $ | 3,438 |
Raw materials |  |  | 502 |  |  |  | 855 |
|  | $ | 3,272 |  |  | $ | 4,293 |
Property and equipment: |  |  |  |  |  |  |  |
Office equipment |  | $ | 477 |  |  | $ | 456 |
Office software |  |  | 1,029 |  |  |  | 979 |
Furniture and fixtures |  |  | 241 |  |  |  | 243 |
Leasehold improvements |  |  | 753 |  |  |  | 760 |
Construction in progress |  |  | — |  |  |  | 40 |
Property and equipment, at cost |  |  | 2,500 |  |  |  | 2,478 |
Accumulated depreciation and amortization |  |  | (2,310 | ) |  |  | (2,212 | )
|  | $ | 190 |  |  | $ | 266 |
Other accrued expenses: |  |  |  |  |  |  |  |
Sales returns |  | $ | 85 |  |  | $ | 81 |
Employee-related expense |  |  | 656 |  |  |  | 668 |
Warehousing, inventory-related and other |  |  | 684 |  |  |  | 421 |
|  | $ | 1,425 |  |  | $ | 1,170 |
Deferred revenue: |  |  |  |  |  |  |  |
Unshipped product and unredeemed product vouchers |  | $ | 4,940 |  |  | $ | 4,417 |
Auto ship advances |  |  | 1,488 |  |  |  | 1,749 |
|  | $ | 6,428 |  |  | $ | 6,166 |

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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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