Note 9 - Notes Payable - Notes Payable (Details) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Less current portion	$ 3,336,787	$ 2,749,459
Notes payable – non-current portion	7,608,286	7,676,697
Notes Payable [Member]
Notes payable	11,073,053	10,426,156
Notes payable	11,073,053	10,426,156
Less current portion	3,336,787	2,749,459
Notes payable – non-current portion	7,608,286	7,676,697
Notes Payable [Member] | Related Party Notes, One [Member] | First Francis [Member]
Notes payable	1,158,449	1,302,776
Notes payable	1,158,449	1,302,776
Notes Payable [Member] | Related Party Notes, Two [Member] | First Francis [Member]
Notes payable	1,020,287	1,248,380
Notes payable	1,020,287	1,248,380
Notes Payable [Member] | Paycheck Protection Program CARES Act [Member] | Federal Hose [Member]
Notes payable	253,071
Notes payable	253,071
Notes Payable [Member] | Paycheck Protection Program CARES Act [Member] | CAD Enterprises, Inc. [Member]
Notes payable	1,200,766
Notes payable	1,200,766
Notes Payable [Member] | Seller Note [Member]
Notes payable	7,312,500	7,875,000
Notes payable	$ 7,312,500	$ 7,875,000