Note 9 - Notes Payable - Notes Payable (Details) - USD ($)	Sep. 30, 2021	Jan. 15, 2021	Dec. 31, 2020
Less current portion	$ 2,925,607		$ 2,782,479
Notes payable – non-current portion	5,026,727		5,455,717
Paycheck Protection Program CARES Act [Member]
Notes payable – non-current portion	0		1,453,837
Notes Payable [Member]
Notes payable	7,952,334		9,692,033
Less current portion	2,925,607		2,782,479
Notes payable – non-current portion	5,026,727		6,909,554
Notes Payable [Member] \| Paycheck Protection Program CARES Act [Member] \| Federal Hose [Member]
Notes payable			253,071
Notes Payable [Member] \| Paycheck Protection Program CARES Act [Member] \| CAD Enterprises, Inc. [Member]
Notes payable			1,200,766
Notes Payable [Member] \| Seller Note [Member]
Notes payable	4,500,000		6,187,500
Notes Payable [Member] \| First Francis [Member] \| Related Party Notes, One [Member]
Notes payable			1,108,829
Notes Payable [Member] \| First Francis [Member] \| Related Party Notes, Two [Member]
Notes payable			$ 941,867
Notes Payable [Member] \| First Francis [Member] \| Related Party Notes Three [Member]
Notes payable	$ 3,452,334	$ 3,779,784

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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