With regard to the additional financing agreed to provide in support of the transaction, which will be funded prior to the closing of the business combination (if certain conditions are met), this element represents the number of shares into which the additional equity investment will be converted.

No definition available.

Note 17 - Special Purpose Acquisition Company (Details Textual) - USD ($)			1 Months Ended	4 Months Ended	9 Months Ended
	Sep. 14, 2021	Nov. 16, 2020	Oct. 31, 2020	Nov. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Aug. 01, 2021	Dec. 31, 2020
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)					$ 9.95			$ 9.95
Payments to Acquire Investments, Total					$ 1,242,087,233	$ 448,185,708
Business Combination Agreement with SHG [Member]
Business Acquisition, Implied Pro Forma Equity Market Value of the Combined Company at Closing							$ 777,000,000
Payments to Acquire Businesses, Gross	$ 55,000,000
Business Acquisition, Additional Funding Expected to Be Raised By the Parties Involved Through a Private Placement Investment	100,000,000
Business Acquisition, Backstop Agreed to Be Provided to Acquiree, Maximum Value	$ 45,000,000
Business Acquisition, Backstop Agreed to Be Provided to Acquiree, Price Per Share (in dollars per share)	$ 10
Business Acquisition, Minimum Investment Condition in Cash and Securities at Closing	$ 150,000,000
Business Acquisition, Gross Proceeds Expected to Be Received By the Combined Company	$ 238,000,000
Business Acquisition, Percentage of Equity in the Combined Company to Be Retained By the Acquiree's Equityholders	100.00%
Yellowstone Acquisition Company [Member]
Equity Method Investment, Ownership Percentage				20.00%
Common Class A [Member] \| Business Combination Agreement with SHG [Member]
Business Acquisition, Additional Financing in Support of Transaction, Number of Shares into which the Additional Equity Investment Will Be Converted (in shares)	5,500,000
Business Acquisition, Additional Financing in Support of Transaction, Shares into which the Additional Equity Investment Will Be Converted, Price Per Share (in dollars per share)	$ 10
Yellowstone Acquisition Company [Member]
Proceeds from Issuance Initial Public Offering			$ 125,000,000
Yellowstone Acquisition Company [Member] \| Warrants Issued in Connection with Units [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)			$ 11.50
Yellowstone Acquisition Company [Member] \| IPO [Member]
Units Issued During Period, Number (in shares)			13,598,898
Units Issued During Period, Price Per Unit (in dollars per share)			$ 10.00
Units Issued During Period, Number of Warrants (in shares)			0.5
Sale of Unit, Price Per Unit (in dollars per share)			$ 10.00
Yellowstone Acquisition Company [Member] \| IPO [Member] \| Common Class A [Member]
Units Issued During Period, Number of Common Stock, Shares (in shares)			1
BOC Yellowstone LLC [Member] \| Lead Investor in Yellowstone’s IPO [Member]
Number of Investee's Shares Agreed to Transfer Upon Business Combination (in shares)		206,250
BOC Yellowstone LLC [Member] \| BOC Yellowstone II LLC [Member]
Proceeds from Sale of Equity Method Investments		$ 309,375
BOC Yellowstone LLC [Member] \| Class B Common Stock of Yellowstone Acquisition Company [Member]
Payments to Acquire Investments, Total				$ 7,800,000
Investment Owned, Balance, Shares (in shares)				3,399,724
BOC Yellowstone LLC [Member] \| Class B Common Stock of Yellowstone Acquisition Company [Member] \| BOC Yellowstone II LLC [Member]
Number of Investee's Shares Transferred to Related Party for No Consideration (in shares)		206,250
BOC Yellowstone LLC [Member] \| Non-redeemable Private Placement Warrants [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)				$ 11.50
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)				7,719,779
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)				1