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Note 3 - Balance Sheet Components | 6 Months Ended
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Jun. 30, 2023
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):
|  | June 30, 2023 |  |  | December 31, 2022 |
Cash, cash equivalents and restricted cash: |  |  |  |  |  |  |  |
Cash |  | $ | 11,065 |  |  | $ | 12,834 |
Cash equivalents |  |  | 50,502 |  |  |  | 56,833 |
|  |  | 61,567 |  |  |  | 69,667 |
Restricted cash |  |  | 38 |  |  |  | 79 |
|  | $ | 61,605 |  |  | $ | 69,746 |
Inventories: |  |  |  |  |  |  |  |
Finished goods |  | $ | 3,804 |  |  | $ | 3,653 |
Raw materials |  |  | 929 |  |  |  | 890 |
Reserve for obsolescence |  |  | (18 | ) |  |  | (18 | )
|  | $ | 4,715 |  |  | $ | 4,525 |
Other accrued expenses: |  |  |  |  |  |  |  |
Sales returns |  | $ | 53 |  |  | $ | 70 |
Employee-related expense |  |  | 595 |  |  |  | 737 |
Warehousing, inventory-related and other |  |  | 587 |  |  |  | 374 |
|  | $ | 1,235 |  |  | $ | 1,181 |
Deferred revenue: |  |  |  |  |  |  |  |
Unshipped product and unredeemed product vouchers |  | $ | 5,097 |  |  | $ | 3,822 |
Auto ship advances |  |  | 1,754 |  |  |  | 1,775 |
|  | $ | 6,851 |  |  | $ | 5,597 |

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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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