Note 5 - Other Assets (Details Textual) - USD ($)	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Prepaid Rent [Member]
Amortization of Deferred Charges	$ 115,000	$ 115,000

The amount of amortization of deferred charges applied against earnings during the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Name:	us-gaap_AmortizationOfDeferredCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration