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Note 3 - Balance Sheet Components | 9 Months Ended
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Sep. 30, 2021
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, 2021 |  |  | December 31, 2020 |
Cash, cash equivalents and restricted cash: |  |  |  |  |  |  |  |
Cash |  | $ | 18,091 |  |  | $ | 23,977 |
Cash equivalents |  |  | 66,549 |  |  |  | 68,390 |
|  |  | 84,640 |  |  |  | 92,367 |
Restricted cash |  |  | 524 |  |  |  | 525 |
|  | $ | 85,164 |  |  | $ | 92,892 |
Inventories: |  |  |  |  |  |  |  |
Finished goods |  | $ | 3,851 |  |  | $ | 3,071 |
Raw materials |  |  | 602 |  |  |  | 1,047 |
Reserve for obsolescence |  |  | (63 | ) |  |  | (339 | )
|  | $ | 4,390 |  |  | $ | 3,779 |
Other accrued expenses: |  |  |  |  |  |  |  |
Sales returns |  | $ | 127 |  |  | $ | 189 |
Employee-related expense |  |  | 917 |  |  |  | 1,149 |
Warehousing, inventory-related and other |  |  | 714 |  |  |  | 584 |
|  | $ | 1,758 |  |  | $ | 1,922 |
Deferred revenue: |  |  |  |  |  |  |  |
Unshipped product and unredeemed product vouchers |  | $ | 4,023 |  |  | $ | 1,005 |
Auto ship advances |  |  | 1,909 |  |  |  | 1,977 |
Other |  |  | 106 |  |  |  | 109 |
|  | $ | 6,038 |  |  | $ | 3,091 |

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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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