Note 8 - Notes Payable - Notes Payable (Details) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Less current portion	$ 2,766,221	$ 2,749,459
Notes payable – non-current portion	8,306,832	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	2,766,221	2,749,459
Notes payable – non-current portion	8,306,832	7,676,697
Notes Payable [Member] \| Related Party Notes, One [Member] \| First Francis [Member]
Notes payable	1,208,046	1,302,776
Notes payable	1,208,046	1,302,776
Notes Payable [Member] \| Related Party Notes, Two [Member] \| First Francis [Member]
Notes payable	1,098,670	1,248,380
Notes payable	1,098,670	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

Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
-Paragraph 1
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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.

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