Annual report pursuant to Section 13 and 15(d)

Significant Customers (Details)

v2.4.0.8
Significant Customers (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Revenue, Major Customer [Line Items]    
Entity-Wide Revenue, Major Customer, Percentage 66.80% 68.20%
Entity-Wide Receivables, Major Customer, Percentage 85.00% 61.00%
Customer A [Member]
    
Revenue, Major Customer [Line Items]    
Receivables from Customers $ 9,153,000 $ 5,301,000
Entity-Wide Revenue, Major Customer, Amount 71,621,000 34,401,000
Customer B [Member]
    
Revenue, Major Customer [Line Items]    
Entity-Wide Revenue, Major Customer, Amount 0 19,464,000
Customer C [Member]
    
Revenue, Major Customer [Line Items]    
Receivables from Customers 0 1,984,000
Entity-Wide Revenue, Major Customer, Amount 0 15,046,000
Customer D [Member]
    
Revenue, Major Customer [Line Items]    
Entity-Wide Revenue, Major Customer, Amount 0 17,690,000
Customer E [Member]
    
Revenue, Major Customer [Line Items]    
Entity-Wide Revenue, Major Customer, Amount 29,454,000 0
Customer F [Member]
    
Revenue, Major Customer [Line Items]    
Receivables from Customers $ 0 $ 1,447,000
Minimum [Member]
    
Revenue, Major Customer [Line Items]    
Entity-Wide Revenue, Major Customer, Percentage 10.00%