Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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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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- 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://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(01)
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- Definition

Number of additional shares authorized for issuance under share-based payment arrangement.

+ References

No definition available.

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Number of shares authorized for issuance under share-based payment arrangement.

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-Name Accounting Standards Codification
-Section 50
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Gross number of share options (or share units) granted during the period.

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-SubTopic 10
-Name Accounting Standards Codification
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Note 6 - Stock Based Awards (Details Textual) - USD ($) $ in Thousands	1 Months Ended			3 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2020	Mar. 31, 2024	Mar. 31, 2023	May 31, 2017
Share-Based Payment Arrangement, Expense				$ 80	$ 99
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross				0
Share-Based Payment Arrangement, Option [Member]
Share-Based Payment Arrangement, Expense				$ 56	68
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount				$ 776
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition				3 years 3 months 18 days
Restricted Stock Units (RSUs) [Member]
Share-Based Payment Arrangement, Expense				$ 24	$ 31
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount				$ 109
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition				1 year
Stock Incentive Plan 2017 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized						350,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized	100,000	175,000	50,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross				0	0
Stock Incentive Plan 2017 [Member] \| Restricted Stock Units (RSUs) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period				0	0