XML 88 R77.htm IDEA: XBRL DOCUMENT v3.21.2
Note 15 - Commitments and Contingencies (Details Textual) - USD ($)
$ in Millions
Sep. 30, 2021
Oct. 30, 2020
Financial Standby Letter of Credit [Member]    
Guarantor Obligations, Maximum Exposure, Undiscounted $ 33 $ 33