XML 61 R50.htm IDEA: XBRL DOCUMENT v3.20.2
Note 9 - Property, Plant and Equipment (Details Textual) - USD ($)
$ in Millions
3 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Depreciation, Depletion and Amortization, Total $ 0.9 $ 1.1