Note 5 - Debt - Summary of Long-term Debt (Details) - USD ($)	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Notes payable	$ 5,568,646	$ 149,900
Less current portion	(959,803)	5,117
Notes Payable, Current, Total	4,608,843	144,783
Note Payable Maturing in August 2027 [Member]
Notes payable	4,408,187	0
Note Payable Maturing in June 2050 [Member]
Notes payable	0	$ 149,900
Finance Agreement for Directors and Officers [Member]
Notes payable	216,886
Finance Agreement for Directors and Officers Insurance Premium [Member]
Notes payable	216,217
Recourse Factoring [Member]
Notes payable	$ 727,356

Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

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