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Investments (Tables)
12 Months Ended
Dec. 31, 2025
Investments, All Other Investments [Abstract]  
Schedule of Investments
December 31, 2025December 31, 2024
(in thousands)
Equity-method investments$19,495 $17,547 
Investment in debt securities - AFS9,246 11,187 
Total Investments
$28,741 $28,734 
Schedule of Carrying Amounts and Maximum exposure Relating to AeroFlexx
The Company’s carrying amounts and maximum exposure relating to AeroFlexx, were as follows (in thousands):
December 31, 2025December 31, 2024
Asset typeCarrying AmountMaximum Exposure to LossCarrying AmountMaximum Exposure to Loss
Equity method investment in AeroFlexx$18,957 $18,957 $16,930 $16,930 
Investments in debt securities - AFS9,246 9,246 11,187 11,187 
Due from related party10,754 10,754 4,472 4,472 
Total
$38,957 $38,957 $32,589 $32,589 
Schedule of Financial Information of Equity Method Investments
Balance sheets (in thousands)
ESG FundAeroFlexx
December 31,December 31,
2025202420252024
Total Assets$85,712 $97,445 $15,709 $17,002 
Total Liabilities575 93 29,082 27,861 
Total Equity (Deficit)$85,137 $97,352 $(13,373)$(10,859)
Statements of operation (in thousands)
ESG FundAeroFlexx
Years ended December 31,Years ended December 31,
2025202420252024
Revenue$— $202 $85 $38 
Gross (Loss) Profit — (735)(95)(57)
Net Income (Loss)$(12,263)$39,437 $(15,824)$(13,663)
Schedule of Unrealized Gains and Losses, and Fair Value of AFS Debt Securities
The amortized cost, gross unrealized gains and losses, and fair value of AFS debt securities is represented in the table below (in thousands):
Amortized costGross unrealized gainsGross unrealized lossesFair value
December 31, 2025
Investment in Debt Securities - AFS$10,444 $— $(1,198)$9,246 
December 31, 2024
Investment in Debt Securities - AFS$10,278 $909 $— $11,187 
Schedule of Contractual Maturity of Debt Securities
The amortized cost and fair value of debt securities, by contractual maturity, as of December 31, 2025 is shown below (in thousands). Expected maturities can differ from contractual maturities.
Amortized costFair value
Due within one year$10,444 $9,246 
$10,444 $9,246