Balance Sheet Components (Schedule of Available-for-sale Investments in an Unrealized Loss Position) (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, fair value	$ 1,587	$ 30,711
Less than 12 months, unrealized loss	(569)	(15)
U.S. Government Securities [Member]
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, fair value	544
Less than 12 months, unrealized loss	(160)
U.S. Treasury Bills [Member]
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, unrealized loss	(2)
Corporate Bonds/Notes [Member]
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, fair value	527	26,716
Less than 12 months, unrealized loss	(124)	(12)
Agency Bonds/Notes [Member]
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, fair value	484	3,995
Less than 12 months, unrealized loss	(237)	$ (3)
Asset-Backed Securities [Member]
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, fair value	32
Less than 12 months, unrealized loss	(40)
Commercial Paper [Member]
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, unrealized loss	$ (6)