Annual report pursuant to Section 13 and 15(d)

Sales (Details)

v3.3.1.900
Sales (Details)
12 Months Ended
Dec. 31, 2015
USD ($)
item
Dec. 31, 2014
USD ($)
Sales    
Number of Sales Contracts with Delivery Obligations | item 2  
Sales Revenue, Goods, Net $ 41,877,000 $ 29,349,000
Disposal fees 69,000 323,000
Recognition of gain from sale of deliveries under assignment   2,507,000
Sales Revenue, Goods, Net [Member]    
Sales    
Sales Revenue, Goods, Net 41,808,000 26,519,000
Company A [Member] | Sales Revenue, Goods, Net [Member]    
Sales    
Sales Revenue, Goods, Net 10,674,000  
Company B [Member] | Sales Revenue, Goods, Net [Member]    
Sales    
Sales Revenue, Goods, Net 6,671,000 9,199,000
Company C [Member] | Sales Revenue, Goods, Net [Member]    
Sales    
Sales Revenue, Goods, Net 6,518,000 7,197,000
Company D [Member] | Sales Revenue, Goods, Net [Member]    
Sales    
Sales Revenue, Goods, Net 6,098,000 10,123,000
Company A, B, C, D [Member] | Sales Revenue, Goods, Net [Member]    
Sales    
Sales Revenue, Goods, Net 29,961,000 26,519,000
Company E [Member] | Sales Revenue, Goods, Net [Member]    
Sales    
Sales Revenue, Goods, Net $ 11,846,000  
Customer Concentration Risk [Member]    
Sales    
Sales Revenue, Goods, Net   100.0
Concentration Risk, Percentage 100.00%  
Disposal fees   1.1
Disposal Fees Concentration Risk Percentage 0.20%  
Recognition of gain from sale of deliveries under assignment $ 0.0 $ 8.5
Customer Concentration Risk [Member] | Sales Revenue, Goods, Net [Member]    
Sales    
Concentration Risk, Percentage 99.80% 90.40%
Customer Concentration Risk [Member] | Company A [Member] | Sales Revenue, Goods, Net [Member]    
Sales    
Concentration Risk, Percentage 25.50% 0.00%
Customer Concentration Risk [Member] | Company B [Member] | Sales Revenue, Goods, Net [Member]    
Sales    
Concentration Risk, Percentage 15.90% 31.30%
Customer Concentration Risk [Member] | Company C [Member] | Sales Revenue, Goods, Net [Member]    
Sales    
Concentration Risk, Percentage 15.60% 24.50%
Customer Concentration Risk [Member] | Company D [Member] | Sales Revenue, Goods, Net [Member]    
Sales    
Concentration Risk, Percentage 14.60% 34.50%
Customer Concentration Risk [Member] | Company A, B, C, D [Member] | Sales Revenue, Goods, Net [Member]    
Sales    
Concentration Risk, Percentage 71.50% 90.40%
Customer Concentration Risk [Member] | Company E [Member] | Sales Revenue, Goods, Net [Member]    
Sales    
Concentration Risk, Percentage 28.40% 0.00%