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)							3 Months Ended	12 Months Ended
	Sep. 14, 2021 USD ($) $ / shares shares	Apr. 06, 2021 shares	Dec. 01, 2020 $ / shares shares	Nov. 16, 2020 USD ($) shares	Oct. 26, 2020 USD ($) $ / shares shares	Aug. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Aug. 01, 2021 USD ($)	Dec. 31, 2019 USD ($) $ / shares
Stock Issued During Period, Value, New Issues \| $								$ 62,850,213	$ 59,549,751
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) \| $ / shares							$ 9.95	$ 9.95	$ 9.95		$ 9.95
Assets Held-in-trust, Current \| $							$ 138,716,226	$ 138,760,121	$ 138,716,226
Warrants and Rights Outstanding \| $							$ 1,868,341	1,982,342	$ 1,868,341		$ 1,170,616
Money Market Funds [Member]
Assets Held-in-trust, Current \| $								69,382,121
US Treasury Securities [Member]
Assets Held-in-trust, Current \| $								69,378,000
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, 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) \| $ / shares	$ 10
Yellowstone Acquisition Company Warrants [Member]
Warrants and Rights Outstanding \| $								$ 11,908,671
Common Class B [Member]
Common Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares							$ 0.001	$ 0.001	$ 0.001
Common Stock, Shares, Outstanding, Ending Balance (in shares)							1,055,560	1,055,560	1,055,560
Common Class A [Member]
Common Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares							$ 0.001	$ 0.001	$ 0.001
Common Stock, Shares, Outstanding, Ending Balance (in shares)							26,175,555	28,642,801	26,175,555
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) \| $ / shares	$ 10
Common Class A [Member] \| Over-Allotment Option [Member]
Stock Issued During Period, Shares, New Issues (in shares)		345,000
Yellowstone Acquisition Company [Member]
Proceeds from Issuance Initial Public Offering \| $					$ 125,000,000
Yellowstone Acquisition Company [Member] \| Private Placement Warrants [Member]
Number of Warrants Called by Each Unit (in shares)					0.5
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)					1
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) \| $ / shares					$ 11.50
Yellowstone Acquisition Company [Member] \| IPO [Member]
Number of Units Issued (in shares)					12,500,000
Sale of Unit, Price Per Unit (in dollars per share) \| $ / shares					$ 10.00
Yellowstone Acquisition Company [Member] \| Over-Allotment Option [Member]
Units Issued During Period, Number (in shares)			1,098,898
Yellowstone Acquisition Company [Member] \| BOC Yellowstone LLC [Member] \| Private Placement Warrants [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) \| $ / shares			$ 11.50
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)			219,779		7,500,000
Price of Warrant (in dollars per share) \| $ / shares			$ 1.00		$ 1.00
Proceeds from Issuance of Warrants \| $					$ 7,500,000
Yellowstone Acquisition Company [Member] \| Common Class B [Member] \| BOC Yellowstone LLC [Member]
Stock Issued During Period, Shares, New Issues (in shares)						5,750,000
Common Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares						$ 0.0001
Stock Issued During Period, Value, New Issues \| $						$ 25,000
Common stock, Shares Surrendered (in shares)							2,350,276
Common Stock, Shares, Outstanding, Ending Balance (in shares)							3,399,724	3,399,724	3,399,724
Common Stock, Conversion Rate								1
Yellowstone Acquisition Company [Member] \| Common Class A [Member] \| IPO [Member]
Stock Issued During Period, Shares, New Issues (in shares)					13,598,898
Common Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares					$ 0.0001
Number of Securities Called by Each Unit (in shares)					1
BOC Yellowstone LLC [Member] \| BOC Yellowstone II LLC [Member]
Proceeds from Sale of Equity Method Investments \| $				$ 309,375
BOC Yellowstone LLC [Member] \| BOC Yellowstone II LLC [Member] \| Class B Common Stock of Yellowstone Acquisition Company [Member]
Number of Investee's Shares Transferred to Related Party for No Consideration (in shares)				206,250
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