Note 14 - Subsequent Events (Details Textual) - Subsequent Event [Member] - USD ($)	Jan. 28, 2022	Jan. 25, 2022
Estimated Cost of Tax Increment Financing Eligible Improvements, Expected Reduction		$ 5,744,000
Estimated Cost of Tax Increment Financing Eligible Improvements, Maximum Principle		$ 17,592,881
Common Stock, Dividends, Per Share, Cash Paid (in dollars per share)	$ 0.07

Aggregate dividends paid during the period for each share of common stock outstanding.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

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