Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Revolving Line of Credit (Details Textual)

v3.21.2
Note 7 - Revolving Line of Credit (Details Textual) - Revolving Credit Facility [Member] - USD ($)
9 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Summit Community Bank [Member]    
Line of Credit Facility, Maximum Borrowing Capacity $ 1,000,000  
Long-term Line of Credit, Total $ 402,306  
Debt Instrument, Interest Rate, Effective Percentage 3.25%  
Summit Community Bank [Member] | Prime Rate [Member]    
Debt Instrument, Basis Spread on Variable Rate 0.00%  
Debt Instrument, Base Floor 3.25%  
TD Bank [Member]    
Line of Credit Facility, Maximum Borrowing Capacity   $ 1,000,000
Long-term Line of Credit, Total   $ 0