XML 42 R30.htm IDEA: XBRL DOCUMENT v3.21.2
Note 2 - Summary of Significant Accounting Policies 2 (Details Textual)
$ in Millions
Sep. 30, 2021
USD ($)
Revenue, Remaining Performance Obligation, Amount $ 177.2
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-10-01  
Revenue, Remaining Performance Obligation, Amount $ 112.6
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period (Month) 12 months