v3.21.2
Supplemental Financial Statement Information - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Long Lived Assets Held-for-sale [Line Items]            
Assets held for sale $ 75,000     $ 75,000   $ 1,073,000
Impairment charges 200,000   $ 0 200,000 $ 0  
Sales to related party 100,000   $ 0 100,000 $ 0  
Due from related parties 400,000     400,000   0
Machinery and Equipment            
Long Lived Assets Held-for-sale [Line Items]            
Assets held for sale $ 100,000     $ 100,000   $ 900,000
Sale of machinery   $ 700,000        
Supplier Concentration Risk | Net Sales | Four Major Vendors            
Long Lived Assets Held-for-sale [Line Items]            
Concentration risk, percentage 29.20%   38.40% 22.80% 22.10%  
Supplier Concentration Risk | Net Purchases Benchmark | Four Major Vendors            
Long Lived Assets Held-for-sale [Line Items]            
Concentration risk, percentage 53.20%   27.90% 84.00% 43.10%