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Note 8 - Earnings Per Share - Antidilutive Securities Excluded From Computation of Earnings Per Share (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares)	933	926	664	938
Assumed Conversion of Convertible Debt [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares)	608	608	608	608
Stock Awards that were Antidilutive [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares)	285	307	38	313
Stock Awards Subject to Performance Conditions [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares)	40	11	18	17

X

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

+ Details

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