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Acquisition - Narrative (Details) - USD ($)
1 Months Ended 12 Months Ended
Aug. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Business Acquisition [Line Items]      
Goodwill   $ 4,204,000 $ 0
HelioHeat      
Business Acquisition [Line Items]      
Interest acquired 100.00%    
Cash paid at closing $ 1,714,000    
Liabilities arising from contingencies 3,000,000    
Goodwill 4,204,000    
Goodwill, expected tax deductible amount 0    
Contingent consideration liability   2,000,000  
Acquisition related costs   100,000  
Revenue of acquiree   400,000  
Net loss of acquiree   $ 700,000  
HelioHeat | Paid to HelioHeat’s shareholders      
Business Acquisition [Line Items]      
Cash paid at closing 1,000,000    
HelioHeat | Deposited in escrow account      
Business Acquisition [Line Items]      
Cash paid at closing 500,000    
HelioHeat | Repay outstanding debt      
Business Acquisition [Line Items]      
Cash paid at closing 200,000    
HelioHeat | Payable upon service conditions      
Business Acquisition [Line Items]      
Liabilities arising from contingencies $ 500,000    
Liabilities arising from contingencies, term 3 years    
HelioHeat | Earn-out provisions      
Business Acquisition [Line Items]      
Liabilities arising from contingencies $ 2,500,000    
Liabilities arising from contingencies, term 5 years