v3.26.3
Fair Value Measurements and Financial Instruments (Tables)
 9 Months Ended
Sep. 30, 2026
Fair Value Disclosures [Abstract]  
Schedules of Concentration of Risk, by Risk Factor
The following customers comprised 10% or more of the Company’s consolidated accounts receivable and unbilled revenue:
September 30, 2026December 31, 2025
Customer A9 %16 %
Customer C14 %9 %
The following customers comprised 10% or more of the Company’s consolidated revenues:
The three months ended September 30,The nine months ended September 30,
2026202520262025
Customer A8 %12 %9 %11 %
Customer B3 %11 %8 %11 %
Customer C13 %4 %9 %2 %
Schedule of Allowance for Doubtful Accounts
The Company had $0.9 million in allowance for credit losses as of September 30, 2026 and December 31, 2025, as follows:
($ in thousands)
Provision for credit losses on December 31, 2025$886 
Credit losses:
Current period provision— 
Amounts written off— 
Provision for credit losses on September 30, 2026
$886 
Schedule of Fair Value Measurements, Recurring and Nonrecurring
The following table presents the balances of the investments measured at their fair value as of September 30, 2026:
Fair ValueGain / (Loss) on Investments
September 30,December 31,Three Months Ended September 30,Nine Months Ended September 30,
($ in thousands)202620252026202520262025
Investment in Oklo Inc.$19,843 $38,465 $(8,206)$57,644 $(18,621)$144,879 
Investment in Tamboran Resources Corporation44,039 24,325 601 5,414 7,885 5,709 
Investment in Fervo Energy Company48,740 40,738 (56,092)— 8,002 — 
Other Investments Carried at Fair Value9,408 11,469 805 5,295 71 5,295 
Total Investments Carried at Fair Value$122,030 $114,997 $(62,892)$68,353 $(2,663)$155,883