Annual report pursuant to Section 13 and 15(d)

Basis of Presentation, Summary of Significant Accounting Policies (Schedule of Intangible Assets) (Details)

v3.22.0.1
Basis of Presentation, Summary of Significant Accounting Policies (Schedule of Intangible Assets) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]    
Gross book value $ 14,742  
Accumulated amortization (580)  
Net book value 14,162 $ 336
Customer contracts [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross book value 6,300  
Accumulated amortization (51)  
Net book value $ 6,249  
Weighted-average life (years) 10 years  
Trademark [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross book value $ 5,000  
Accumulated amortization (42)  
Net book value $ 4,958  
Weighted-average life (years) 10 years  
UL Listings [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross book value $ 2,700  
Accumulated amortization (19)  
Net book value $ 2,681  
Weighted-average life (years) 12 years  
Patents [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross book value $ 742 713
Accumulated amortization (468) (377)
Net book value $ 274 $ 336