Financial Instruments and Fair Value Measurements - Schedule of Investments in Held to Maturity Debt Securities (Details) - USD ($)	Dec. 31, 2025	Dec. 31, 2024
Amortized cost
Due within one year or less	$ 8,179,000	$ 22,485,000
Due between one and two years	0	8,066,000
Total held-to-maturity securities	8,179,000	30,551,000
Unrealized gains
Due within one year or less	20,000	31,000
Due between one and two years	0	21,000
Total held-to-maturity securities	20,000	52,000
Unrealized losses
Due within one year or less	0	0
Due between one and two years	0	(28,000)
Total held-to-maturity securities	0	(28,000)
Fair value
Due within one year or less	8,199,000	22,516,000
Due between one and two years	0	8,059,000
Total held-to-maturity securities	$ 8,199,000	$ 30,575,000