Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Revolving Line of Credit (Details Textual)

v3.20.1
Note 5 - Revolving Line of Credit (Details Textual) - Revolving Credit Facility [Member] - TD Bank [Member]
Mar. 31, 2020
USD ($)
Line of Credit Facility, Maximum Borrowing Capacity $ 1,000,000
Long-term Line of Credit, Total $ 0