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Investments which are not defined as or included in marketable (debt, equity, or other) securities whose use is restricted in whole or in part, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet.

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Note 7 - Restricted Investment in Stocks (Details Textual)	6 Months Ended
	Jun. 30, 2022 USD ($) shares	Jun. 29, 2022	Dec. 31, 2021 USD ($)
Investment Holdings [Line Items]
Restricted investment in stocks	$ 1,884,000		$ 1,329,000
Other than temporary impairment charge of restricted investment	0
Investment in Federal Home Loan Bank Stock [Member]
Investment Holdings [Line Items]
Restricted investment in stocks	1,872,000
Investment in Atlantic Community Bankers Bank Stock [Member]
Investment Holdings [Line Items]
Restricted investment in stocks	12,000
VISA Class B Stock [Member]
Investment Holdings [Line Items]
Restricted investment in stocks	$ 0
Number of shares owned \| shares	6,502
VISA Class A Stock [Member]
Investment Holdings [Line Items]
Conversion factor per share		1.6059