Balance Sheet Components (Narrative) (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Property, Plant and Equipment [Line Items]
Investments in an unrealized loss position greater than twelve months	$ 0		$ 0
Allowance for credit loss	0		$ 0
Stock-based compensation expense	6,554,000	$ 2,492,000
Amortization of capitalized internal-use software	1,100,000	1,000,000.0
Depreciation and amortization	$ 1,423,000	1,372,000
Weighted Average [Member]
Property, Plant and Equipment [Line Items]
Available-for-sale investments, maturity date	325 days		346 days
Capitalized Internal-Use Software [Member]
Property, Plant and Equipment [Line Items]
Capitalized internal use software costs	$ 1,100,000	936,000
Stock-based compensation expense	6,000	6,000
Property and Equipment, Excluding Software and Software Development Costs [Member]
Property, Plant and Equipment [Line Items]
Depreciation and amortization	$ 359,000	$ 370,000