Transaction Details

Footnotes

Represents shares sold solely to cover the reporting person's tax withholding obligations in connection with the settlement of restricted stock units previously granted to the reporting person. Pursuant to the Issuer's current practices, the disclosed sale of shares was made in connection with the settlement of restricted stock units, solely to cover taxes related to such settlement. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $1.415 to $1.455, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above. | Represents shares of common stock held directly by Cold Springs Trust, of which Mr. Kohn is a beneficiary. Mr. Kohn disclaims beneficial ownership of the shares owned by Cold Springs Trust, except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purpose of Section 16 or for any other purpose. | Represents shares of common stock held directly by Woodburn Dr LP, an entity controlled by Mr. Kohn. Mr. Kohn disclaims beneficial ownership of the shares owned by Woodburn Dr LP, except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purpose of Section 16 or for any other purpose. | Represents securities held directly by Bircoll Kohn Family Trust, for which Mr. Kohn is a trustee and a controlling person. Mr. Kohn disclaims beneficial ownership of the shares owned by Bircoll Kohn Family Trust, except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purpose of Section 16 or for any other purpose.