v3.25.3

Note 9 - Share-based Compensation - Summary of Non-vested Options (Details)	6 Months Ended
	Sep. 30, 2025 $ / shares shares
Nonvested (in shares) \| shares	100,000
Nonvested, Weighted average grant-date fair value (in dollars per share) \| $ / shares	$ 0.56
Granted (in shares) \| shares	475,000
Granted, Weighted average grant-date fair value (in dollars per share) \| $ / shares	$ 0.19
Vested (in shares) \| shares	(33,334)
Vested, Weighted average grant-date fair value (in dollars per share) \| $ / shares	$ 0.97
Forfeited (in shares) \| shares	(50,000)
Forfeited, Weighted average grant-date fair value (in dollars per share) \| $ / shares	$ 0.15
Nonvested (in shares) \| shares	491,666
Nonvested, Weighted average grant-date fair value (in dollars per share) \| $ / shares	$ 0.2

Gross number of share options (or share units) granted during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(01)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (d)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of non-vested options outstanding.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-4

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of non-vested options forfeited.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average grant-date fair value of non-vested options forfeited.

+ References

+ Details

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- Definition

Weighted average grant-date fair value of non-vested options outstanding.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
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- Definition

Number of options vested.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average grant-date fair value of options vested.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
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Period Type:	duration

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