v3.25.2
BALANCE SHEET COMPONENTS - Inventory, net (Details) - USD ($)
Jun. 30, 2025
Dec. 31, 2024
BALANCE SHEET COMPONENTS    
Finished goods $ 2,187,000 $ 2,935,000
Raw materials 409,000 303,000
Total inventory 2,596,000 3,238,000
Allowance for excess and obsolete inventory $ 35,000 $ 35,000