Note 1 - General and Basis of Presentation 2 (Details Textual) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-07-01 $ in Millions	Jun. 30, 2023 USD ($)
Revenue, Remaining Performance Obligation, Amount	$ 119.6
Product [Member]
Revenue, Remaining Performance Obligation, Percentage	100.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period (Month)	24 months