v3.26.1
Note 3 - Balance Sheet Components - Summary of Balance Sheet Amounts (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Cash $ 4,211 $ 5,896
Cash equivalents 5,290 917
Cash and cash equivalents 9,501 6,813
Restricted cash included in other long-term assets 6 7
Cash restricted cash and cash equivalents 9,507 6,820
Inventories:    
Finished goods 1,855 1,809
Raw materials 194 238
Inventory net 2,049 2,047
Other assets:    
Refundable deposits and other 467 489
Other Assets, Noncurrent 2,059 1,923
Other accrued expenses:    
Sales returns 59 100
Employee-related expense 699 613
Warehousing, inventory-related and other 464 725
Accrued Liabilities, Current 1,222 1,438
Deferred revenue:    
Deferred revenue 4,205 5,574
Unshipped Product [Member]    
Deferred revenue:    
Deferred revenue 2,729 4,063
Auto ship advances [Member]    
Deferred revenue:    
Deferred revenue 1,476 1,511
Software, In-Development [Member]    
Other assets:    
Capitalized software implementation costs $ 1,592 $ 1,434