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Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2026
Fair Value Disclosures [Abstract]  
Schedule of Financial Assets and Liabilities Measured at Fair Value March 31, 2026 and December 31, 2025, are summarized as follows:
March 31, 2026
Level 1Level 2Level 3Total
(In thousands)
Assets
Cash equivalents - money market funds$43,375 $— $— $43,375 
Total assets$43,375 $— $— $43,375 
Liabilities:
Warrants liability$— $— $1,883 $1,883 
Total liabilities$— $— $1,883 $1,883 
December 31, 2025
Level 1Level 2Level 3Total
(In thousands)
Assets:
Cash equivalents - money market funds$43,000 $— $— $43,000 
Total assets$43,000 $— $— $43,000 
Liabilities:
Warrants liability$— $— $2,999 $2,999 
Total liabilities$— $— $2,999 $2,999 
Schedule of Carrying Values and Estimated Fair Values of Debt Instruments
Level of
Hierarchy
Fair ValuePrincipal
Balance
Unamortized Debt DiscountUnamortized Debt Issuance CostsNet Carrying
Value
(In thousands)
March 31, 2026
2026 Notes2$8,561 $20,125 $— $(54)$20,071 
2029 Notes3$198,592 $221,877 $(24,296)$(5,810)$191,771 
Second Lien 2029 Notes3$82,684 $181,952 $— $— $181,952 
December 31, 2025
2026 Notes2$8,175 $20,125 $— $(73)$20,052 
2029 Notes3$200,601 $221,877 $(25,955)$(6,142)$189,780 
Second Lien 2029 Notes3$61,497 $181,952 $— $— $181,952 
Fair Value Measurement Inputs and Valuation Techniques A summary of the Black-Scholes pricing model assumptions used to record the fair value of the Warrants as of March 31, 2026 and 2025 is as follows:
March 31,
2026
March 31,
2025
Stock price$2.55$0.80
Risk free rate4.18%4.19%
Expected life (in years)8.189.18
Expected volatility86.00%78.00%
Schedule of Changes in Fair Value of Level 3 Liabilities
March 31,
2026
December 31,
2025
(In thousands)
Balance, beginning of year$2,999 $17,498 
Settlement of Warrants— (1,297)
Change in the fair value of Warrants(1,116)(13,202)
Balance, end of period$1,883 $2,999