Note 9 - Notes Payable (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Long-term Debt Instruments [Table Text Block]

	December 31, 2021		December 31, 2020
In connection with the Federal Hose acquisition, the Company entered into a promissory note on July 1, 2016 for a $2,000,000 loan due to First Francis Company, payable in quarterly installments beginning October 31, 2016.	$	-	$	1,108,829
In connection with the Federal Hose acquisition, the Company entered into a promissory note on July 1, 2016 for a $2,768,662 loan due to First Francis Company, payable in quarterly installments beginning October 31, 2016.		-		941,867
In connection with the Komtek Forge acquisition, the Company refinanced the outstanding First Francis promissory notes, accrued interest payable through the refinance date and the assumed First Francis promissory note into one note on January 15, 2021 for a $3,779,784 loan due to First Francis Company, payable in quarterly installments beginning April 15, 2021.		3,284,762		-
In connection with the CARES Act, Federal Hose entered into a promissory note on June 4, 2020 for a $253,071 loan due to First Federal Savings and Loan Association of Lakewood, with monthly principal and interest installments to begin January 4, 2021. This loan was forgiven in 2021.		-		253,071
In connection with the CARES Act, CAD entered into a promissory note on June 4, 2020 for a $1,200,766 loan due to First Federal Savings and Loan Association of Lakewood, with monthly principal and interest installment to begin January 4, 2021. This loan was forgiven in 2021.		-		1,200,766
In connection with the CAD acquisition, the Company entered into a promissory note on July 1, 2018 for a $9,000,000 loan due to the Loudermilks, payable in quarterly installments beginning September 30, 2018.		3,937,500		6,187,500
Total notes payable		7,222,262		9,692,033
Less current portion		2,946,885		2,782,479
Notes payable – non-current portion	$	4,275,377	$	6,909,554

Schedule of Maturities of Long-term Debt [Table Text Block]

	Term Loan
2022		1,444,444
Total principal payments	$	1,444,444

Notes Payable [Member]

Notes Tables

Schedule of Maturities of Long-term Debt [Table Text Block]

	Related Party Notes		Seller Note		Total Principal Payments
2022		696,885		2,250,000		2,946,885
2023		741,472		1,687,500		2,428,972
2024		788,911		-		788,911
2025		839,387		-		839,387
2026		218,107		-		218,107
Total principal payments	$	3,284,762	$	3,937,500	$	7,222,262