Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Concentrations of Credit Risk (Details)

v3.21.2
Summary of Significant Accounting Policies - Concentrations of Credit Risk (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Concentration Risk [Line Items]        
Net sales $ 6,257 $ 3,802 $ 16,771 $ 5,368
Concentration risk, percentage 100.00% 100.00% 100.00% 100.00%
Revenue from Contract with Customer Benchmark [Member] | Customer | Net Sales [Member]        
Concentration Risk [Line Items]        
Net sales $ 4,455 $ 3,480 $ 8,847 $ 3,819
Concentration risk, percentage 71.00% 92.00% 53.00% 71.00%
Revenue from Contract with Customer Benchmark [Member] | Customer | Customer A [Member] | Net Sales [Member]        
Concentration Risk [Line Items]        
Net sales $ 1,326      
Concentration risk, percentage 21.00%      
Revenue from Contract with Customer Benchmark [Member] | Customer | Customer B [Member] | Net Sales [Member]        
Concentration Risk [Line Items]        
Net sales $ 1,078      
Concentration risk, percentage 17.00%      
Revenue from Contract with Customer Benchmark [Member] | Customer | Customer C [Member] | Net Sales [Member]        
Concentration Risk [Line Items]        
Net sales $ 722   $ 6,040  
Concentration risk, percentage 12.00%   36.00%  
Revenue from Contract with Customer Benchmark [Member] | Customer | Customer D [Member] | Net Sales [Member]        
Concentration Risk [Line Items]        
Net sales $ 682      
Concentration risk, percentage 11.00%      
Revenue from Contract with Customer Benchmark [Member] | Customer | Customer E [Member] | Net Sales [Member]        
Concentration Risk [Line Items]        
Net sales $ 647 $ 1,240 $ 2,807 $ 2,006
Concentration risk, percentage 10.00% 33.00% 17.00% 37.00%
Revenue from Contract with Customer Benchmark [Member] | Customer | Customer F [Member] | Net Sales [Member]        
Concentration Risk [Line Items]        
Net sales   $ 921   $ 1,021
Concentration risk, percentage   24.00%   19.00%
Revenue from Contract with Customer Benchmark [Member] | Customer | Customer G [Member] | Net Sales [Member]        
Concentration Risk [Line Items]        
Net sales   $ 792   $ 792
Concentration risk, percentage   21.00%   15.00%
Revenue from Contract with Customer Benchmark [Member] | Customer | Customer H [Member] | Net Sales [Member]        
Concentration Risk [Line Items]        
Net sales   $ 527    
Concentration risk, percentage   14.00%    
Revenue from Contract with Customer Benchmark [Member] | Customer | Total for customers with sales of less then ten percent [Member] | Net Sales [Member]        
Concentration Risk [Line Items]        
Net sales $ 1,802 $ 322 $ 7,924 $ 1,549
Concentration risk, percentage 29.00% 8.00% 47.00% 29.00%