Earnings per Share (Tables)

3 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

Securities that Potentially Dilute Calculation of Diluted Earnings Per Share

The following table sets forth securities outstanding that could potentially dilute the calculation of diluted earnings per share.

	March 31,
	2017		2016
Warrants to purchase common stock - liability classified (see Note 5)		14,017,373		698,056
Warrant to purchase common stock - equity classified		1,393		4,200
2017 Notes		47,827		75,192
2022 Notes		688		13,117
Outstanding options to purchase common stock		76,915		23,756
Unvested restricted common stock		7,536		13,448
Total		14,151,732		827,769