Note 8 - Notes Payable (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Related Party Transactions [Table Text Block]

	December 31, 2018		December 31, 2017
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 on October 31, 2016.	$	1,485,061	$	1,639,206
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 on October 31, 2016.		2,157,004		2,365,286
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.		9,000,000		-
Total notes payable		12,642,065		4,004,492
Less current portion		1,555,663		352,727
Notes payable – non-current portion	$	11,086,402	$	3,651,765

Promissory Note 1 and 2 [Member] | First Francis [Member]

Notes Tables

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

	Related Party Note		Seller Note
2019	$	430,663	$	1,125,000
2020		458,217		2,250,000
2021		487,234		2,250,000
2022		2,265,957		2,250,000
2023		-		1,125,000
Total principal payments	$	3,642,071	$	9,000,000