v3.26.1
Note 4 - Fair Value Measurements and Other Liabilities - Fair Value Assumptions (Details)
Mar. 31, 2026
Jan. 08, 2026
Dec. 31, 2025
 [1]
Mar. 31, 2025
Feb. 04, 2025
Measurement Input, Share Price [Member] | Convertible Note 2026 [Member]          
Debt instrument, measurement input 5.9 7.8      
Measurement Input, Share Price [Member] | Convertible Note 2025 [Member]          
Debt instrument, measurement input     6.34 1,440 [2] 3,200 [2]
Measurement Input, Conversion Price [Member] | Convertible Note 2026 [Member]          
Debt instrument, measurement input 8.35 8.3      
Measurement Input, Conversion Price [Member] | Convertible Note 2025 [Member]          
Debt instrument, measurement input     29,116 3,600 [2] 3,600 [2]
Measurement Input, Discount Rate [Member] | Convertible Note 2026 [Member]          
Debt instrument, measurement input 90 90      
Alternative Conversion Price [Member] | Convertible Note 2025 [Member]          
Debt instrument, measurement input     48.69 632.96 [2] 633 [2]
Redemption Premium [Member] | Convertible Note 2026 [Member]          
Debt instrument, measurement input 1.20 [2] 1.20 [1]      
Redemption Premium [Member] | Convertible Note 2025 [Member]          
Debt instrument, measurement input     1.20 1.20 [2] 1.20 [2]
Alternate Conversion Premium [Member] | Convertible Note 2025 [Member]          
Debt instrument, measurement input     1.20 1.20 [2] 1.20 [2]
Interest Rate [Member] | Convertible Note 2026 [Member]          
Debt instrument, measurement input 0.10 [2] 0.10 [1]      
Interest Rate [Member] | Convertible Note 2025 [Member]          
Debt instrument, measurement input     0.12 0.12 [2] 0.12 [2]
Incremental Warrants [Member] | Face Value [Member]          
Warrant, measurement input [3]       2,500,000 2,500,000
Incremental Warrants [Member] | Measurement Input, Exercise Price [Member]          
Warrant, measurement input [3]       2,256,250 2,256,250
Incremental Warrants [Member] | Measurement Input, Share Price [Member]          
Warrant, measurement input [3]       1,440 3,200
Incremental Warrants [Member] | Exercise Threshold [Member]          
Warrant, measurement input [3]       0.20 0.20
Incremental Warrants [Member] | Measurement Input, Discount Rate [Member]          
Warrant, measurement input [3]       0.3069 0.287
Incremental Warrants [Member] | Valuation Per Unit Upon Exercise [Member]          
Warrant, measurement input [3]       10,170,000 12,600,000
Incremental Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member]          
Warrant, measurement input [3]       0.0403 0.0418
Incremental Warrants [Member] | Measurement Input, Price Volatility [Member]          
Warrant, measurement input [3]       1 0.88
Incremental Warrants [Member] | Forecast Horizon [Member]          
Warrant, measurement input [3]       0.08 0.08
[1] The amendment to the Note on June 26, 2025, corrected the term of the Note from 1 year to 2 years and adjusted the alternate conversion price from the “lesser” of 95% VWAP and the floor price to the “greater” of.
[2] The fair value analysis of the convertible notes was performed under the assumption of immediate conversion as of the valuation date. The stock price, classified as a Level 1 input under the fair value hierarchy, was utilized in the analysis. Potential ownership limitations or conversion blockers were not incorporated into the valuation, as the analysis assumed full conversion in a single transaction without restriction.
[3] The fair value analysis of the Incremental Warrants was performed under the assumption of immediate conversion as of the valuation date. The stock price, classified as a Level 1 input under the fair value hierarchy, was utilized in the analysis. Potential ownership limitations or conversion blockers were not incorporated into the valuation, as the analysis assumed full conversion in a single transaction without restriction.