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Note 9 - Notes Payable (Details Textual) - USD ($)			12 Months Ended
Note 9 - Notes Payable (Details Textual) - USD ($)	Jul. 05, 2018	Jul. 01, 2018	Dec. 31, 2021	Dec. 31, 2020	Jan. 15, 2021	Jan. 14, 2021	Jun. 04, 2020	Apr. 10, 2020	Jul. 01, 2016
Payments to Acquire Businesses, Gross			$ 6,138,102	$ 9,400,000
CAD Enterprises, Inc. [Member]
Business Combination, Consideration Transferred, Total		$ 21,000,000
Payments to Acquire Businesses, Gross		$ 12,000,000
Notes Payable [Member]
Notes Payable, Total			7,222,262	9,692,033
Seller Note [Member] \| CAD Enterprises, Inc. [Member]
Debt Instrument, Interest Rate, Stated Percentage		4.00%
Seller Note [Member] \| Notes Payable [Member]
Notes Payable, Total			3,937,500	6,187,500
Paycheck Protection Program CARES Act [Member] \| Notes Payable [Member]
Debt Instrument, Face Amount								$ 3,679,383
Paycheck Protection Program CARES Act [Member] \| Notes Payable [Member] \| Federal Hose [Member]
Debt Instrument, Face Amount							$ 253,071
Notes Payable, Total			0	253,071
Paycheck Protection Program CARES Act [Member] \| Notes Payable [Member] \| CAD Enterprises, Inc. [Member]
Debt Instrument, Face Amount							$ 1,200,766
Notes Payable, Total			0	1,200,766
First Francis [Member] \| Related Party Notes, One [Member] \| Notes Payable [Member]
Debt Instrument, Face Amount									$ 2,000,000
Notes Payable, Total			0	1,108,829
First Francis [Member] \| Related Party Notes, Two [Member] \| Notes Payable [Member]
Debt Instrument, Face Amount									$ 2,768,662
Notes Payable, Total			0	$ 941,867
First Francis [Member] \| Related Party Notes [Member] \| Notes Payable [Member]
Debt Instrument, Interest Rate, Stated Percentage	6.25%
Line of Credit Facility, Interest Rate During Period	4.00%
Notes Payable, Total						$ 2,077,384
First Francis [Member] \| Related Party Notes [Member] \| Notes Payable [Member] \| Komtek Forge [Member]
Notes Payable, Total						$ 1,702,400
First Francis [Member] \| Related Party Notes Three [Member] \| Notes Payable [Member]
Debt Instrument, Interest Rate, Stated Percentage					6.25%
Notes Payable, Total			$ 3,284,762		$ 3,779,784