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Note 4 - Revenue Recognition - Remaining Performance Obligation 2 (Details)
$ in Thousands
Jun. 30, 2023
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-07-01  
Licensing, NRE and related revenues $ 8,160
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01  
Licensing, NRE and related revenues 2,194
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01  
Licensing, NRE and related revenues $ 676