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Note 12 - Subsequent Events	3 Months Ended
Note 12 - Subsequent Events	Jun. 30, 2020
Notes to Financial Statements
Subsequent Events [Text Block]	NOTE 12. SUBSEQUENT EVENTS On July 22, 2020 we announced that our Board had declared a quarterly cash dividend of $1.00 per share of Common Stock to be paid August 31, 2020 to shareholders of record as of the close of business August 3, 2020.