Quarterly report pursuant to Section 13 or 15(d)

Note 14 - Segments (Details Textual)

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Note 14 - Segments (Details Textual)
 3 Months Ended 6 Months Ended
Jun. 30, 2022
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2021
USD ($)
Revenues, Total $ 57,526 $ 261,046 $ 57,526 $ 384,783
Number of Primary Types of Products Sold 2   2  
Depreciation, Depletion and Amortization, Nonproduction, Total [1] $ 21,771 $ 19,858 $ 44,649 $ 37,606
Intersegment Eliminations [Member]        
Revenues, Total     $ 0  
[1] Depreciation and amortization are reflected in selling, general and administrative expenses ($21,771 and $19,858 for the three-month periods ended June 30, 2022 and 2021, and $44,649 and $37,606 for the six-month periods ended June 30, 2022 and 2021, respectively).