Note 10 - Subsequent Events	9 Months Ended
Dec. 31, 2021
Notes to Financial Statements
Subsequent Events [Text Block]	Note 10: Subsequent Events On January 24, 2022 our Board of Directors declared a quarterly dividend of $0.30 per share. The Company’s Board of Directors established a February 7, 2022 record date and a February 18, 2022 payment date for the quarterly dividend. Based on the outstanding share balance as of February 1, 2022 the Company estimates the dividend payable to be approximately $6.3 million. In January 2022 the Company issued 17,500 restricted shares to certain employees of the Company under the 2016 Employee Plan, with a fair value of $25.87 per share. In January 2022, the Company issued 5,000 restricted shares to two directors of the Company under the 2015 Director Plan, with a fair value of $25.20 per share. These directors took on additional responsibilities as the CEO transition team of the Board.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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