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Note 7 - Restricted Stock - Non-vested Restricted Stock (Details) shares in Thousands | 12 Months Ended
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Mar. 31, 2021 shares
Non-vested restricted stock outstanding at March 31, 2020 (in shares) | 183
Restricted stock granted (in shares) | 106
Restricted stock vested (in shares) | (126)
Restricted stock forfeited or expired (in shares) | (3)
Non-vested restricted stock outstanding at March 31, 2021 (in shares) | 160
Employee Plan [Member] |
Non-vested restricted stock outstanding at March 31, 2020 (in shares) | 109
Restricted stock granted (in shares) | 68
Restricted stock vested (in shares) | (76)
Restricted stock forfeited or expired (in shares) | (3)
Non-vested restricted stock outstanding at March 31, 2021 (in shares) | 98
Director Plan [Member] |
Non-vested restricted stock outstanding at March 31, 2020 (in shares) | 74
Restricted stock granted (in shares) | 38
Restricted stock vested (in shares) | (50)
Restricted stock forfeited or expired (in shares) | 0
Non-vested restricted stock outstanding at March 31, 2021 (in shares) | 62

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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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