XML 50 R39.htm IDEA: XBRL DOCUMENT v3.21.2
Note 5 - Goodwill and Intangible Assets, Net (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Jun. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Amortization of Intangible Assets, Total $ 3,757 $ 3,512   $ 7,573 $ 6,866
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles     $ (334,000)