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Note 4 - Revenue Recognition 2 (Details Textual)
$ in Thousands
Jun. 30, 2023
USD ($)
Revenue, Remaining Performance Obligation, Amount $ 4,167
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-07-01  
Revenue, Remaining Performance Obligation, Amount $ 4,051
Revenue, Remaining Performance Obligation, Percentage 97.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-07-07  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 12 months