Quarterly report pursuant to Section 13 or 15(d)

Sales (Details)

v3.5.0.2
Sales (Details)
$ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended
Mar. 31, 2016
item
Jun. 30, 2016
USD ($)
Jun. 30, 2015
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2015
USD ($)
Sales          
Number of Sales Contracts with Delivery Obligations | item 2        
Revenue, Net, Total   $ 6,747 $ 18,213 $ 9,461 $ 25,600
Disposal fee income       11 7
Sales Revenue, Goods, Net [Member]          
Sales          
Sales Revenue, Goods, Net       9,450 13,747
Sale Of Purchased Inventory [Member]          
Sales          
Sales Revenue, Goods, Net       9,450 25,593
Company A [Member] | Sales Revenue, Goods, Net [Member]          
Sales          
Sales Revenue, Goods, Net       3,075 2,555
Company B [Member] | Sales Revenue, Goods, Net [Member]          
Sales          
Sales Revenue, Goods, Net       $ 6,375 5,094
Company C [Member] | Sales Revenue, Goods, Net [Member]          
Sales          
Sales Revenue, Goods, Net         6,098
Company D [Member] | Sale Of Purchased Inventory [Member]          
Sales          
Sales Revenue, Goods, Net         $ 11,846
Customer Concentration Risk [Member]          
Sales          
Concentration Risk, Percentage       100.00% 100.00%
Disposal Fee Income Concentration Risk Percentage       0.1 0.0
Customer Concentration Risk [Member] | Sales Revenue, Goods, Net [Member]          
Sales          
Concentration Risk, Percentage       99.90% 53.70%
Customer Concentration Risk [Member] | Sale Of Purchased Inventory [Member]          
Sales          
Concentration Risk, Percentage       99.90% 100.00%
Customer Concentration Risk [Member] | Company A [Member] | Sales Revenue, Goods, Net [Member]          
Sales          
Concentration Risk, Percentage       32.40% 10.00%
Customer Concentration Risk [Member] | Company B [Member] | Sales Revenue, Goods, Net [Member]          
Sales          
Concentration Risk, Percentage       67.40% 19.90%
Customer Concentration Risk [Member] | Company C [Member] | Sales Revenue, Goods, Net [Member]          
Sales          
Concentration Risk, Percentage       0.00% 23.80%
Customer Concentration Risk [Member] | Company D [Member] | Sale Of Purchased Inventory [Member]          
Sales          
Concentration Risk, Percentage       0.00% 46.30%