Note 3 - Cash, Cash Equivalents, and Restricted Cash - Schedule of Restricted Cash and Cash Equivalents (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash and cash equivalents	$ 25,493,141	$ 72,508,528
Funds held as collateral	21,026,579	9,185,872
Cash held by BOAM funds and other	8,146,792	0
Total Cash, Cash Equivalents, and Restricted Cash as Presented in the Consolidated Statements of Cash Flows	$ 54,666,512	$ 81,694,400	$ 54,952,316

Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including, but not limited to, disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, 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.

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