Quarterly report pursuant to Section 13 or 15(d)

Acquisition - Narrative (Details)

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Acquisition - Narrative (Details) - USD ($)
1 Months Ended 3 Months Ended
Sep. 30, 2021
Mar. 31, 2022
Dec. 31, 2021
Business Acquisition [Line Items]      
Goodwill   $ 1,111,000 $ 4,204,000
HelioHeat      
Business Acquisition [Line Items]      
Interest acquired 100.00%    
Goodwill   1,111,000 $ 4,204,000
Goodwill, expected tax deductible amount   0  
Deferred tax benefit   $ 600,000  
Intangible asset acquired, useful life 10 years