Represents percentage of automatic increase in the amount of shares available for issuance.

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Period of restriction of forfeiture.

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No definition available.

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Aggregate number of common shares reserved for future issuance.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of noncash expense for share-based payment arrangement.

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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.

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Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.

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Note 7 - Restricted Stock (Details Textual) - USD ($) $ in Thousands	1 Months Ended		12 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Share-Based Payment Arrangement, Noncash Expense, Total			$ 4,549	$ 3,307	$ 2,822
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance (in shares)			771,000	160,000
2015 Outside Director Equity Compensation Restricted Stock Plan [Member] \| Restricted Stock [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares)		400,000
Percentage of Automatic Increase in Shares Available for Issuance		10.00%
2016 Employee Equity Compensation Restricted Stock Plan [Member] \| Restricted Stock [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	1,000,000		893,258
2016 Employee Equity Compensation Restricted Stock Plan [Member] \| Restricted Stock [Member] \| Minimum [Member]
Restriction Period (Year)	1 year
2016 Employee Equity Compensation Restricted Stock Plan [Member] \| Restricted Stock [Member] \| Maximum [Member]
Restriction Period (Year)	10 years
2015 Outside Director Equity Compensation Restricted Stock Plan ("2015 Director Plan") [Member] \| Restricted Stock [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares)			208,880
Employee and Director Equity Compensation Plan [Member] \| Non-vested Restricted Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance (in shares)			770,652	160,117
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total (in shares)			709,599	102,931
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total			$ 13,400	$ 2,500
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)			2 years 3 months 18 days	1 year 9 months 18 days