Quarterly report [Sections 13 or 15(d)]

Note 3 - Balance Sheet Components - Summary of Balance Sheet Amounts (Details)

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Note 3 - Balance Sheet Components - Summary of Balance Sheet Amounts (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Cash $ 3,705 $ 5,896
Cash equivalents 2,113 917
Cash and cash equivalents 5,818 6,813
Restricted cash included in other long-term assets 7 7
Cash restricted cash and cash equivalents 5,825 6,820
Inventories:    
Finished goods 1,846 1,809
Raw materials 205 238
Inventory net 2,051 2,047
Other assets:    
Refundable deposits and other 294 489
Other Assets, Noncurrent 2,045 1,923
Other accrued expenses:    
Sales returns 52 100
Employee-related expense 708 613
Warehousing, inventory-related and other 428 725
Accrued Liabilities, Current 1,188 1,438
Deferred revenue:    
Deferred revenue 2,995 5,574
Unshipped Product [Member]    
Deferred revenue:    
Deferred revenue 1,512 4,063
Auto ship advances [Member]    
Deferred revenue:    
Deferred revenue 1,483 1,511
Software, In-Development [Member]    
Other assets:    
Capitalized software implementation costs $ 1,751 $ 1,434