Note 6 - Preferred Stock (Details Textual)	Mar. 31, 2026 $ / shares shares
Preferred Stock, Shares Authorized (in shares)	3,000,000
Preferred Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares	$ 0.01
Preferred Stock, Shares Outstanding (in shares)	0

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
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Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
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-Topic 946
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+ Details