Quarterly report pursuant to Section 13 or 15(d)

Sales (Details)

v3.19.2
Sales (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Sales        
Sales $ 11,479 $ 3,807 $ 16,291 $ 23,479
Disposal fee income     2 26
Sales Of Produced Inventory [Member]        
Sales        
Sales     9,888 237
Sale Of Purchased Inventory [Member]        
Sales        
Sales     6,401 23,216
Company A [Member] | Sales Of Produced Inventory [Member]        
Sales        
Sales     2,406  
Company A [Member] | Sale Of Purchased Inventory [Member]        
Sales        
Sales     2,406  
Company B [Member] | Sales Of Produced Inventory [Member]        
Sales        
Sales     7,482  
Company C [Member] | Sales Of Produced Inventory [Member]        
Sales        
Sales       237
Company D [Member] | Sale Of Purchased Inventory [Member]        
Sales        
Sales     3,995 7,580
Company E [Member] | Sale Of Purchased Inventory [Member]        
Sales        
Sales       15,636
Company A, B, C, D [Member]        
Sales        
Sales     $ 16,289 $ 23,453
Customer Concentration Risk [Member]        
Sales        
Concentration Risk, Percentage     100.00% 100.00%
Disposal Fees Concentration Risk Percentage     0.00% 0.10%
Customer Concentration Risk [Member] | Sales Of Produced Inventory [Member]        
Sales        
Concentration Risk, Percentage     60.70% 1.00%
Customer Concentration Risk [Member] | Sale Of Purchased Inventory [Member]        
Sales        
Concentration Risk, Percentage     39.30% 99.00%
Customer Concentration Risk [Member] | Company A [Member] | Sales Of Produced Inventory [Member]        
Sales        
Concentration Risk, Percentage     14.80% 0.00%
Customer Concentration Risk [Member] | Company A [Member] | Sale Of Purchased Inventory [Member]        
Sales        
Concentration Risk, Percentage     14.80% 0.00%
Customer Concentration Risk [Member] | Company B [Member] | Sales Of Produced Inventory [Member]        
Sales        
Concentration Risk, Percentage     45.90% 0.00%
Customer Concentration Risk [Member] | Company C [Member] | Sales Of Produced Inventory [Member]        
Sales        
Concentration Risk, Percentage     0.00% 1.00%
Customer Concentration Risk [Member] | Company D [Member] | Sale Of Purchased Inventory [Member]        
Sales        
Concentration Risk, Percentage     24.50% 32.30%
Customer Concentration Risk [Member] | Company E [Member] | Sale Of Purchased Inventory [Member]        
Sales        
Concentration Risk, Percentage     0.00% 66.60%
Customer Concentration Risk [Member] | Company A, B, C, D [Member]        
Sales        
Concentration Risk, Percentage     100.00% 99.90%