Quarterly report pursuant to Section 13 or 15(d)

Debt and Interest (Details 1)

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Debt and Interest (Details 1) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Debt [Line Items]        
Interest     $ 800  
Interest expense related to the Hercules loan $ 352 $ 119 683 $ 1,085
IDB Note [Member]        
Debt [Line Items]        
Interest 82 80 153 121
Amortization of fees 1 1 2 2
Interest and Debt Expense, Total 83 81 155 123
NSC Debt [Member]        
Debt [Line Items]        
Interest 208 0 279 0
Amortization of fees 61 0 82 0
Interest and Debt Expense, Total 269 0 361 0
Ovamed Manufacturing Agreement [Member]        
Debt [Line Items]        
Interest 0 38 167 75
Interest and Debt Expense, Total 0 38 167 75
Hercules Debt [Member]        
Debt [Line Items]        
Interest [1] 0 0 0 845
Amortization of fees 0 0 0 42
Interest and Debt Expense, Total $ 0 $ 0 $ 0 $ 887
[1] Interest expense related to the Hercules Note was $0.8 million, including $0.4 million related to accretion of the debt discount.