Note 12 - Subsequent Events (Details Textual) - Subsequent Event [Member] - Bank of America [Member] - Line of Credit [Member] - Senior Secured Revolving Line Of Credit [Member]	Feb. 29, 2024 USD ($)	Jan. 01, 2024 USD ($)
Line of Credit Facility, Maximum Borrowing Capacity	$ 15,000,000	$ 15,000
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.20%
Debt Instrument, Maximum Leverage Ratio	2.5
Debt Instrument, Minimum Fixed Charges Coverage Ratio	1.25

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant