XML 44 R36.htm IDEA: XBRL DOCUMENT v3.22.1
Note 6 - Segment Reporting (Details Textual)
12 Months Ended
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Number of Operating Segments 3  
Revenues, Total $ 744,545 $ 671,944
Intersegment Eliminations [Member]    
Revenues, Total $ 0 $ 0