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Note 10 - Revenues and Other Related Items - Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Revenues $ 4,083 $ 4,286
Service [Member]    
Revenues 854 869
Subscription and Circulation [Member]    
Revenues 2,832 3,014
Maintenance [Member]    
Revenues 136 117
Hosting [Member]    
Revenues 261 221
Perpetual Licenses [Member]    
Revenues $ 0 $ 65