Note 6 - Convertible Senior Notes (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

Schedule of Long-Term Debt Instruments [Table Text Block]

	As of March 31, 2023
Principal balance		402,500
Unamortized issuance costs		(11,008	)
Carrying value, net		391,492

	As of March 31, 2023
Contractual interest expense		331
Amortization of issuance costs		55
Total		386