Note 19 - Subsequent Events (Details Textual) - USD ($)		12 Months Ended
Jan. 10, 2022	Dec. 31, 2021	Dec. 31, 2020
Payments to Acquire Businesses, Gross		$ 6,138,102	$ 9,400,000
Subsequent Event [Member] \| Reverso Pumps, Inc. [Member]
Payments to Acquire Businesses, Gross	$ 2,500,000
Subsequent Event [Member] \| SEP Acquisition Company LLC [Member]
Payments to Acquire Businesses, Gross	$ 1,500,000

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585

Name:	us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration