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Note 15 - Commitments and Contingencies (Details Textual) - USD ($)	May 03, 2023	Aug. 01, 2022	Mar. 31, 2023	Dec. 31, 2022	Oct. 07, 2022
Amount Financed by Dealers			$ 179,800	$ 212,200
Power Home Solar, LLC [Member] | Collectibility of Receivables [Member]
Accounts Receivable, before Allowance for Credit Loss					$ 17,700
Consumer Product Safety Commission [Member] | Subsequent Event [Member]
Settlement Agreement, Civil Fine Payments	$ 15,800
Power Home Solar, LLC Against Generac Power Systems, Inc. [Member] | Minimum [Member]
Loss Contingency, Damages Sought, Value		$ 25,000.0

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Amount financed by dealers to purchase goods from the entity.

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Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
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-URI https://asc.fasb.org//1943274/2147483076/450-20-50-1

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