XML 71 R61.htm IDEA: XBRL DOCUMENT v3.22.0.1
Note I - Intangible Assets (Details Textual) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Amortization of Intangible Assets, Total $ 0.5 $ 0.5 $ 0.5
Finite-Lived Intangible Assets, Remaining Amortization Period (Year) 6 years