XML 65 R54.htm IDEA: XBRL DOCUMENT v3.22.2.2
Note 6 - Revenue (Details Textual) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Contract with Customer, Liability, Revenue Recognized $ 6.0 $ 10.3 $ 14.9 $ 14.6
Other Current Liabilities [Member]        
Contract with Customer, Liability, Current $ 20.7   $ 20.7