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Note 4 - Revenue 2 (Details Textual)
$ in Millions
Sep. 30, 2025
USD ($)
Revenue, Remaining Performance Obligation, Amount $ 14.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01  
Revenue, Remaining Performance Obligation, Amount $ 7.5
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period (Year) 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01  
Revenue, Remaining Performance Obligation, Amount $ 3.5
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period (Year) 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-01-01  
Revenue, Remaining Performance Obligation, Amount $ 3.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period (Year) 1 year