XML 68 R52.htm IDEA: XBRL DOCUMENT v3.22.1
Note 6 - Goodwill and Intangible Assets (Details Textual) - USD ($)
12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2020
Amortization of Intangible Assets $ 21,806 $ 14,513,000 $ 10,637,000