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Note 4 - Balance Sheet Components (Tables)
12 Months Ended
Dec. 31, 2025
Notes Tables  
Schedule of Additional Balance Sheet Components [Table Text Block]
  

December 31,

 
  

2025

  

2024

 

Cash, cash equivalents and restricted cash:

        

Cash

 $5,896  $7,925 

Cash equivalents

  917   5,608 
   6,813   13,533 

Restricted cash

  7   34 
  $6,820  $13,567 
         

Inventories:

        

Finished goods

 $1,809  $2,770 

Raw materials

  238   502 
  $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)
  $153  $190 

Other accrued expenses:

        

Sales returns

 $100  $85 

Employee-related expense

  613   656 

Warehousing, inventory-related and other

  725   684 
  $1,438  $1,425 

Deferred revenue:

        

Unshipped product and unredeemed product vouchers

 $4,063  $4,940 

Auto ship advances

  1,511   1,488 
  $5,574  $6,428