XML 40 R23.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Long-Term Debt | 12 Months Ended
--- | ---
Dec. 31, 2023
Long-Term Debt |
Long-Term Debt | 14. Long-Term Debt In March 2019, the Company entered into a loan and security agreement, as amended, with Generate Lending, LLC, providing for a secured term loan facility in the amount of $100 million (the “Term Loan Facility”). In December 2022, the Company fully repaid the outstanding balance of the Term Loan Facility, which resulted in a recording of a loss on the extinguishment of debt of $1.0 million on the consolidated statement of operations. ​ In June 2020, the Company acquired debt as part of the acquisition of United Hydrogen Group Inc. The outstanding carrying value of the debt was $3.9 million as of December 31, 2023. The outstanding principal on the debt is $5.5 million and the unamortized debt discount is $1.6 million, bearing varying interest rates ranging from 5.6% to 8.3%, and is scheduled to mature in 2026. As of December 31, 2023, the principal balance is due at each of the following dates is the following (in thousands): ​
​ | ​ | ​
December 31, 2024 | ​ | 3,357
December 31, 2025 | ​ | 1,200
December 31, 2026 | ​ | 900
Total outstanding principal | $ | 5,457
​

X
- References No definition available. + Details
Name: | us-gaap_DebtDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 470 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//470/tableOfContent + Details
Name: | us-gaap_LongTermDebtTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration