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Note 6 - Shareholders' Equity (Tables)

12 Months Ended

Mar. 31, 2020

Notes Tables

Dividends Declared [Table Text Block]

Declaration Date		Per Share Dividend		Record Date		Total Amount (In thousands)			Payment Date
May 6, 2019		$0.27		May 17, 2019		$	5,518		May 24, 2019
July 22, 2019		$0.27		August 2, 2019		$	5,447		August 9, 2019
October 21, 2019		$0.27		November 4, 2019		$	5,447		November 15, 2019
January 21, 2020		$0.27		February 3, 2020		$	5,445		February 14, 2020

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