Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events

Subsequent Events
3 Months Ended
Mar. 31, 2017
Subsequent Events [Abstract]  
Subsequent Events
21. Subsequent Events 
2017 Subordinated Note Financing Second Closing
On May 1, 2017, the Company held a second closing of the 2017 Subordinated Note Financing and received gross proceeds of $8.55 million, before expenses. NSC received a placement agent fee of approximately $0.9 million in the second closing and warrants to purchase 234,438 shares of the Company’s common stock at an exercise price of $3.65 per share.