Note 10 - Cash, Cash Equivalents, Investments and Restricted Cash - Restricted Cash (Details) - USD ($) $ in Thousands		Sep. 30, 2024	Dec. 31, 2023	Sep. 30, 2023	Dec. 31, 2022
Cash and cash equivalents		$ 700,347	$ 527,843
Restricted cash	[1],[2]	0	33,204
Restricted cash included in other long-term assets	[3]	134	134
Total cash, cash equivalents and restricted cash reported on the Condensed Consolidated Statements of Cash Flows		$ 700,481	$ 561,181	$ 421,300	$ 288,729

[1] The restricted cash included in other current assets as of December 31, 2023 was related to preliminary purchase consideration held in a trust account in connection with the Company’s acquisition of Axign and was paid in January 2024.

[2] The restricted cash included in other current assets as of December 31, 2023 was related to preliminary purchase consideration held in a trust account in connection with the Company’s acquisition of Axign and was paid in January 2024. See Note 4 for further details.

[3] The restricted cash included in other long-term assets as of September 30, 2024 and December 31, 2023 was related to a security deposit that is set aside in a bank account and cannot be withdrawn by the Company under the terms of a lease agreement. The restriction will end upon the expiration of the lease.