Note 7 - Finance Leases	12 Months Ended
Dec. 31, 2021
Notes to Financial Statements
Lessee, Finance Leases [Text Block]	NOTE 7 - FINANCE LEASES The Company's finance lease obligations were refinanced by long-term debt on April 9, 2021. See further details on the refinancing under Note 6 - Long-Term Debt.

The entire disclosure for finance leases of lessee. Includes, but is not limited to, description of lessee's finance lease and maturity analysis of finance lease liability.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-URI http://asc.fasb.org/subtopic&trid=77888251

Name:	us-gaap_LesseeFinanceLeasesTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration