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Debt (Tables)

9 Months Ended

Sep. 30, 2024

Debt

Schedule of debt

​

​	​	​	​	​	​	​
​	​	September 30,		​	December 31,
​	​	2024		​	2023
​	​	(in thousands)
Convertible Debt	​	​	​	​	​	​
​	​	​	​	​	​	​
2029 Convertible Notes	​	$	345,000	​	$	345,000
​	​	​	​	​	​	​
Term Loan	​	​	​	​	​	​
​	​	​	​	​	​	​
Wells Fargo Term Loan due June 2028	​	​	250,000	​	​	250,000
​	​	​	​	​	​	​
Mortgage Loans	​	​	​	​	​	​
​	​	​	​	​	​	​
Mortgage payable with East West Bank paid off June 2024	​	​	—	​	​	8,016
​	​	​	​	​	​	​
Other Loans and Payment Obligations	​	​	​	​	​	​
​	​	​	​	​	​	​
French government loans due December 2026	​	​	168	​	​	158
​	​	​	​	​	​	​
Line of Credit Facilities		​	​		​
​	​	​	​	​	​	​
Line of credit facility with China Merchant Bank due October 2026	​	​	—	​	​	—
Wells Fargo Revolving line of credit facility due June 2028	​	​	—	​	​	—
Line of credit facility with ICBC Bank due November 2033	​	​	13,565	​	​	—
​	​	​	​	​	​	​
Equipment under Finance Leases	​		485	​		616
Total debt	​		609,218	​		603,790
Less current portion of long-term debt	​		252	​		436
Less: Loan issuance costs	​	​	12,520	​	​	13,775
Long-term debt, net of current portion and unamortized debt issuance costs	​	$	596,446	​	$	589,579

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- Definition

Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation.

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