Investment Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Investment securities
Acquisition Cost	$ 41,296	$ 50,311
Accretion / (Amortization)	121	205
Unrealized Gain / (Loss)	42	(6)
Estimated Fair Value	41,375	50,522
Accrued interest receivable	270	314
Commercial paper
Investment securities
Acquisition Cost	5,870	4,888
Accretion / (Amortization)	84	34
Unrealized Gain / (Loss)	4
Estimated Fair Value	5,950	4,922
Corporate notes / bonds
Investment securities
Acquisition Cost	23,452	24,063
Accretion / (Amortization)	11	96
Unrealized Gain / (Loss)	30	(2)
Estimated Fair Value	23,433	24,161
Money market funds
Investment securities
Acquisition Cost	4,435	5,287
Estimated Fair Value	4,435	5,287
U.S. govt. agencies
Investment securities
Acquisition Cost	5,781	11,192
Accretion / (Amortization)	30	64
Unrealized Gain / (Loss)	7	(5)
Estimated Fair Value	5,804	11,261
U.S. treasuries
Investment securities
Acquisition Cost	1,758	4,881
Accretion / (Amortization)	(4)	11
Unrealized Gain / (Loss)	1	1
Estimated Fair Value	$ 1,753	$ 4,891

Amount, before tax, of unrealized gain (loss) in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Cost of the investment.

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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