Note 4 - Other Current Assets - Other Current Assets (Details) - USD ($)	Sep. 30, 2021	Dec. 31, 2020	Dec. 30, 2020
Vendor escrow	$ 300,000	$ 0
Deferred debt issuance costs	677,488	0
Security deposits	33,577	0
Other current assets	34,267	2,547
Other Assets, Current	$ 1,045,332	$ 2,547	$ 2,547