10. Private Placement

In June 2016, the Company entered into a securities purchase agreement (the “Securities Purchase Agreement”) for a private placement of the Company’s securities with a select group of institutional investors (the “2016 PIPE”). The 2016 PIPE sale transaction, by the Company, consisted of 8,188,804 units at a price of $2.015 per unit for gross proceeds, to the Company, of approximately $16.5 million. After deducting for placement agent fees and offering expenses, the aggregate net proceeds from the private placement was approximately $15.3 million.

As a result of the 2016 PIPE, the number of common stock outstanding increased by 3,225,804 shares and the number of Series A convertible preferred stock outstanding increased by 4,963 shares.