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Note 4 - Restricted Cash (As Restated) - Schedule of Restricted Cash and Cash Equivalents (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Restricted cash	$ 280,269	$ 343,518
Cash and cash equivalents	44,665,972	16,028,514
Funds held as collateral	10,006,075	0
Total Cash, Cash Equivalents, and Restricted Cash as Presented in the Consolidated Statements of Cash Flows	54,952,316	16,372,032	$ 18,143,839
Insurance Premium Escrow [Member]
Restricted cash	$ 280,269	$ 343,518

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Carrying amount as of the balance sheet date of cash collateral held for borrowed securities, for which the cash is restricted as to withdrawal or usage.

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