Note 5. Cash, Cash Equivalents, and Marketable Securities (Details) - Available For Sale - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	$ 52,562	$ 172,836
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gains, before Tax	0	0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Losses, before Tax	713	1,253
Total marketable securities	51,849	171,583
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling Maturity, Fair Value [Abstract]
Debt Securities, Available-for-sale, Maturity, Rolling within One Year	47,529
Debt Securities, Available-for-Sale, Debt Maturities, Rolling Year One Through Five	0
Debt securities, Available-for-sale, Debt Maturities, Rolling Year Five Through Ten	4,320
Time deposits [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	42,562	162,836
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gains, before Tax	0	0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Losses, before Tax	0	0
Total marketable securities	42,562	162,836
U.S. debt [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	10,000	10,000
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gains, before Tax	0	0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Losses, before Tax	713	1,253
Total marketable securities	$ 9,287	$ 8,747