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Note 12 - Subsequent Events	9 Months Ended
Note 12 - Subsequent Events	Dec. 31, 2020
Notes to Financial Statements
Subsequent Events [Text Block]	NOTE 12. SUBSEQUENT EVENTS On January 20, 2021 we announced that our Board had declared a quarterly cash dividend of $1.00 per share of Common Stock to be paid February 26, 2021 to shareholders of record as of the close of business February 1, 2021.