The following table shows the details of interest expense for all 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 Years Ended December 31,
($ in thousands)		2017			2016			2015
IDB Note
Interest		$	340		$	328		$	314
Amortization of fees			-			1			5
Total IDB Note			340			329			319
NSC Debt
Interest			147			599			690
Amortization of fees			201			1,270			309
Total NSC Debt			348			1,869			999
2017 Subordinated Note
Interest			2,234			-			-
Amortization of fees			76			-			-
Total 2017 Subordinated Note			2,310			-			-
Opus Credit Facility
Interest			1,087			192			-
Amortization of fees			1,037			195			-
Total Opus Note			2,124			387			-
Ovamed
Interest			-			-			166
Total Ovamed			-			-			166
LOC Fees
Interest			36			11			-
Total LOC			36			11			-
Helocyte Convertible Note
Interest			261			61			-
Financing fee			1			962			-
Total Helocyte Convertible Note			262			1,023			-
Avenue Convertible Note
Interest			5			-			-
Financing fee			3			70			-
Total Avenue Convertible Note			8			70			-
Caelum Convertible Note
Interest			265			-			-
Financing fee			100			-			-
Total Caelum Convertible Note			365			-			-
Falk CSR
Interest			64			-			-
Total Falk CSR			64			-			-
D&O Insurance
Interest			3			1			-
Total D&O Insurance			3			1			-
Total Interest Expense and Financing Fee		$	5,860		$	3,690		$	1,484