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Note 15 - Stockholders' Equity - Restricted Stock Activity (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Mar. 31, 2021 USD ($) $ / shares shares
Outstanding, restricted stock (in shares) | shares	982,247
Outstanding, restricted stock, weighted average grant date fair value (in dollars per share) | $ / shares	$ 6.26
Granted, restricted stock (in shares) | shares	712,824
Granted, restricted stock, weighted average grant date fair value (in dollars per share) | $ / shares	$ 6.97
Vested, restricted stock (in shares) | shares	(414,449)
Vested, restricted stock, weighted average grant date fair value (in dollars per share) | $ / shares	$ 5.84
Forfeited, restricted stock (in shares) | shares	(232,708)
Forfeited, restricted stock, weighted average grant date fair value (in dollars per share) | $ / shares	$ 4.30
Outstanding, restricted stock (in shares) | shares	1,047,914
Outstanding, restricted stock, weighted average grant date fair value (in dollars per share) | $ / shares	$ 7.17
Outstanding, restricted stock, intrinsic aggregate value | $	$ 19,868

X

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

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-SubTopic 10
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-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
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X

- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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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

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-Name Accounting Standards Codification
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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued 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).

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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

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X

- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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- Definition

Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options.

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