Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1	Dec 8, 2016	P	600	$5.04	A	1,731,293	I	See footnote
Common Stock^F1	Dec 8, 2016	P	10,000	$5.01	A	1,741,293	I	See footnote
Common Stock^F1	Dec 9, 2016	P	10,000	$5.22	A	1,751,293	I	See footnote

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

F1The securities reported herein are directly held by (i) Emancipation Capital Master, Ltd. ("Emancipation Master"), (ii) Emancipation Capital SPV IV LLC ("Emancipation SPV IV") and (iii) a certain account (the "Managed Account") managed by Emancipation Management LLC ("Emancipation Management"). Emancipation Management also serves as the investment manager of Emancipation Master and Emancipation SPV IV. Emancipation Capital LLC ("Emancipation Capital") is the managing member of Emancipation SPV IV. Mr. Charles Frumberg is the managing member of Emancipation Management and Emancipation Capital. By virtue of the foregoing relationships, each of the Reporting Persons may be deemed to indirectly beneficially own the securities directly held by Emancipation Master, Emancipation SPV IV and the Managed Account. Each Reporting Person disclaims beneficial ownership of such securities, except to the extent of its or his pecuniary interest therein.