XML 36 R25.htm IDEA: XBRL DOCUMENT v3.25.3
Short-term Investments and Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2025
Investments, Debt and Equity Securities [Abstract]  
Schedule of Summary of Investments
The following is a summary of available-for-sale securities as of September 30, 2025 and December 31, 2024:
 As of September 30, 2025
 Contractual
Maturity (in years)
CostGross Unrealized
Gains
Gross Unrealized
Losses
Fair Market Value
Mutual funds---$10,771,176 $— $(340,924)$10,430,252 
U.S. treasury securities
Less than 1
— — — — 
Certificates of deposit
Less than 1
2,981,285 8,288 (266)2,989,307 
U.S. agency mortgage-backed securities*1,209,229 — (393,018)816,211 
$14,961,690 $8,288 $(734,208)$14,235,770 
 As of December 31, 2024
Contractual
Maturity (in years)
CostGross Unrealized
Gains
Gross Unrealized
Losses
Fair Market Value
Mutual funds---$25,926,415 $— $(1,445,706)$24,480,709 
Certificates of deposit
Less than 1
2,980,273 9,750 (281)2,989,742 
U.S. agency mortgage-backed securities*1,260,745 — (430,964)829,781 
$30,167,433 $9,750 $(1,876,951)$28,300,232 
*No single maturity date.
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis
The following table presents the Company’s assets and liabilities that were measured at fair value on a recurring basis, determined using the following inputs as of September 30, 2025:

Fair Value Measurements at
 September 30, 2025
 TotalQuoted Prices
in Active Markets
(Level 1)
Significant
Other Unobservable
Inputs
(Level 2)
Significant
Unobservable
Inputs
(Level 3)
Assets:
Short-term investments
     Mutual funds$10,430,252 $10,430,252 $— $— 
     Certificates of deposit2,989,307 — 2,989,307 — 
     U.S. agency mortgage-backed securities816,211 — 816,211 — 
Total short-term investments14,235,770 10,430,252 3,805,518 — 
Investment in affiliated entity2,495,730 2,495,730 — — 
Total assets measured at fair value$16,731,500 $12,925,982 $3,805,518 $— 
Liabilities:
Common stock warrant liabilities50,384,043 $— $— 50,384,043 
Total liabilities$50,384,043 $— $— $50,384,043 

The following table presents the Company’s assets and liabilities that were measured at fair value on a recurring basis, determined using the following inputs as of December 31, 2024:
Fair Value Measurements at
 December 31, 2024
 TotalQuoted Prices
in Active Markets
(Level 1)
Significant
Other Unobservable
Inputs
(Level 2)
Significant
Unobservable
Inputs
(Level 3)
Assets:
Short-term investments
     Mutual funds$24,480,709 $24,480,709 $— $— 
     Certificates of deposit2,989,742 — 2,989,742 — 
     U.S. agency mortgage-backed securities829,781 — 829,781 — 
Total short-term investments28,300,232 24,480,709 3,819,523 — 
Investment in affiliated entity1,613,844 1,613,844 — — 
Total assets measured at fair value$29,914,076 $26,094,553 $3,819,523 $— 
Liabilities:
Common stock warrant liability13,255,188 — — 13,255,188 
Total liabilities$13,255,188 $— $— $13,255,188 
Fair Value Measurement Inputs and Valuation Techniques
The following assumptions were used to estimate the fair value of the warrant liability of the July 2025 Series A warrants:

On Issuance DateSeptember 30, 2025
Risk-free interest rate4.3%4.0%
Expected volatility96%112%
Expected life in years0.60.3
Dividend yield
The following assumptions were used to estimate the fair value of the warrant liability of the July 2025 Series B warrants:
On Issuance DateSeptember 30, 2025
Risk-free interest rate3.9%3.7%
Expected volatility94%89%
Expected life in years54.8
Dividend yield

The following assumptions were used to estimate the fair value of the warrant liability of the December 2024 warrants:

September 30, 2025December 31, 2024
Risk-free interest rate3.7%4.4%
Expected volatility88%111%
Expected life in years4.25
Dividend yield
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation
The following table presents the change in fair value of the Company’s total Level 3 financial liabilities for the nine months ended September 30, 2025:
Common Stock Warrant Liabilities
Balance at December 31, 2024$13,255,188 
Issuance of Series A common stock warrants in July 20253,779,879 
Issuance of Series B common stock warrants in July 202513,206,951 
Increase in fair value of Series A common stock warrants issued in July 20258,910,710 
Increase in fair value of Series B common stock warrants issued in July 202511,610,105 
Increase in fair value of common stock warrants issued in December 2024160,053 
Change in classification from liability to stockholders equity due to warrant exercise(538,843)
Balance at September 30, 2025$50,384,043