v3.26.1
Note 4 - Fair Value Measurements and Other Liabilities - Fair Value Assumptions (Details)
Jun. 18, 2025
Jun. 30, 2026
Mar. 31, 2026
Jan. 08, 2026
Dec. 31, 2025
 [2]
Jun. 26, 2025
 [2]
Jun. 25, 2025
 [2]
Mar. 31, 2025
Feb. 04, 2025
Measurement Input, Share Price [Member] | Series B Preferred Stock [Member]                  
Preferred stock, measurement input 1,040                
Measurement Input, Share Price [Member] | Incremental Warrants [Member]                  
Warrant, measurement input [1] 1,000.4             1,440 3,200
Face Value [Member] | Incremental Warrants [Member]                  
Warrant, measurement input [1] 2,500,000             2,500,000 2,500,000
Measurement Input, Conversion Price [Member] | Series B Preferred Stock [Member]                  
Preferred stock, measurement input 2,000                
Measurement Input, Exercise Price [Member] | Incremental Warrants [Member]                  
Warrant, measurement input [1] 2,256,250             2,256,250 2,256,250
Measurement Input, Stated Value [Member] | Series B Preferred Stock [Member]                  
Preferred stock, measurement input 6,000,000                
Measurement Input, Discount Rate [Member] | Incremental Warrants [Member]                  
Warrant, measurement input [1] 0.3697             0.3069 0.287
Measurement Input, Expected Dividend Rate [Member] | Series B Preferred Stock [Member]                  
Preferred stock, measurement input 0                
Exercise Threshold [Member] | Incremental Warrants [Member]                  
Warrant, measurement input [1] 0.20             0.20 0.20
Valuation Per Unit Upon Exercise [Member] | Incremental Warrants [Member]                  
Warrant, measurement input [1] 11,320,000             10,170,000 12,600,000
Measurement Input, Alternate Conversion Amount [Member] | Series B Preferred Stock [Member]                  
Preferred stock, measurement input 960                
Measurement Input, Required Premium [Member] | Series B Preferred Stock [Member]                  
Preferred stock, measurement input 1.25                
Measurement Input, Risk Free Interest Rate [Member] | Incremental Warrants [Member]                  
Warrant, measurement input [1] 0.042             0.0403 0.0418
Measurement Input, Price Volatility [Member] | Incremental Warrants [Member]                  
Warrant, measurement input [1] 0.92             1 0.88
Measurement Input, Volume Weighted Average Price [Member] | Series B Preferred Stock [Member]                  
Preferred stock, measurement input 1,040                
Forecast Horizon [Member] | Incremental Warrants [Member]                  
Warrant, measurement input [1] 0.08             0.08 0.08
Convertible Note 2026 [Member] | Measurement Input, Share Price [Member]                  
Debt instrument, measurement input   1.16 5.9 7.8          
Convertible Note 2026 [Member] | Measurement Input, Conversion Price [Member]                  
Debt instrument, measurement input   83.47 83.5 83          
Convertible Note 2026 [Member] | Measurement Input, Discount Rate [Member]                  
Debt instrument, measurement input   90 90 90          
Convertible Note 2026 [Member] | Redemption Premium [Member]                  
Debt instrument, measurement input   1.20 1.20 1.20          
Convertible Note 2026 [Member] | Interest Rate [Member]                  
Debt instrument, measurement input   0.10 0.10 0.10          
Convertible Note 2025 [Member] | Measurement Input, Share Price [Member]                  
Debt instrument, measurement input         6.34 116 116 1,440 [3] 3,200 [3]
Convertible Note 2025 [Member] | Measurement Input, Conversion Price [Member]                  
Debt instrument, measurement input         29,116.16 363.9 363.9 3,600 [3] 3,600 [3]
Convertible Note 2025 [Member] | Alternative Conversion Price [Member]                  
Debt instrument, measurement input         48.69 94.4 63.3 632.96 [3] 633 [3]
Convertible Note 2025 [Member] | Redemption Premium [Member]                  
Debt instrument, measurement input         1.20 1.20 1.20 1.20 [3] 1.20 [3]
Convertible Note 2025 [Member] | Alternate Conversion Premium [Member]                  
Debt instrument, measurement input         1.20 1.20 1.20 1.20 [3] 1.20 [3]
Convertible Note 2025 [Member] | Interest Rate [Member]                  
Debt instrument, measurement input         0.12 0.12 0.12 0.12 [3] 0.12 [3]
[1] 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.
[2] 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.
[3] 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.