Annual report [Section 13 and 15(d), not S-K Item 405]

Note 4 - Balance Sheet Components - Summary of Balance Sheet Amounts (Details)

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Note 4 - Balance Sheet Components - Summary of Balance Sheet Amounts (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Cash $ 5,896 $ 7,925
Cash equivalents 917 5,608
Cash and cash equivalents 6,813 13,533
Restricted cash 7 34
Cash, cash equivalents, and restricted cash 6,820 13,567
Inventories:    
Finished goods 1,809 2,770
Raw materials 238 502
Inventory, net 2,047 3,272
Property and equipment:    
Office equipment 495 477
Office software 1,078 1,029
Furniture and fixtures 171 241
Leasehold improvements 554 753
Property and equipment, at cost 2,298 2,500
Accumulated depreciation and amortization (2,145) (2,310)
Property and equipment, net 153 190
Other accrued expenses:    
Sales returns 100 85
Employee-related expense 613 656
Warehousing, inventory-related and other 725 684
Accrued liabilities 1,438 1,425
Deferred revenue:    
Deferred revenue 5,574 6,428
Unshipped Product [Member]    
Deferred revenue:    
Deferred revenue 4,063 4,940
Auto ship advances [Member]    
Deferred revenue:    
Deferred revenue $ 1,511 $ 1,488