Note 7 - Commitments and Contingencies - Maturity of Operating Leases (Details)	Dec. 31, 2019 USD ($)
2020	$ 356,196
2021	262,850
2022	60,819
2023	60,264
2024	30,132
Total	770,261
Discount factor	(90,435)
Other Liabilities [Member]
Total lease liability	679,826
Other Current Liabilities [Member]
Current lease liability	(304,603)
Other Noncurrent Liabilities [Member]
Non-current lease liability	$ 375,223