The following table shows the details of interest expense for all of debt arrangements during the periods presented. Interest expense includes contractual interest and amortization of the debt discount and amortization of fees represents fees associated with loan transaction costs, amortized over the life of the loan:

 

		For the three months ended June 30,						For the six months ended June 30,
($ in Thousands)		2015			2014			2015			2014
IDB Note
Interest		$	82		$	80		$	153		$	121
Amortization of fees			1			1			2			2
Total IDB Note			83			81			155			123
NSC Debt
Interest			208			-			279			-
Amortization of fees			61			-			82			-
Total NSC Debt			269			-			361			-
Ovamed Manufacturing Agreement
Interest			-			38			167			75
Total Ovamed			-			38			167			75
Hercules Debt
Interest (1)			-			-			-			845
Amortization of fees			-			-			-			42
Total Hercules Debt			-			-			-			887
Total Interest Expense		$	352		$	119		$	683		$	1,085