Common Stock (Tables)

9 Months Ended

Sep. 30, 2016

Equity [Abstract]

Schedule of reconciliation of changes in common shares issued

A reconciliation of changes in shares of the Company’s common stock issued during the nine months ended September 30, 2016 is as follows:

Shares issued at December 31, 2015	56,220,214
Issued in sale of common stock	2,450,339
Issued to purchase IPI	247,764
Issued as restricted stock award grants	572,240
Issued upon exercise of stock options	114,112
Shares issued at September 30, 2016	59,604,669