Filed Pursuant to Rules 424(b)(3) and 424(c)

Registration No. 333-220554

PROSPECTUS SUPPLEMENT NO. 1 DATED OCTOBER 12, 2018

(TO PROSPECTUS DATED NOVEMBER 1, 2017)

This prospectus supplement (this “Supplement”) supplements and amends the prospectus dated November 1, 2017 (the “Prospectus”) relating to the sale of up to 2,462,436 shares of our common stock that we sold to the selling stockholders either directly or upon exercise of common stock purchase warrants, such securities having been issued to purchasers in private placements consummated in 2016 and 2017, as set forth in more detail in the Prospectus. We have not and will not receive any proceeds from the sale of these shares by the selling stockholders.

This Supplement should be read in conjunction with, and may not be delivered or utilized without, the Prospectus, which is to be delivered with this Supplement. This Supplement is qualified by reference to the Prospectus, except to the extent that the information in this Supplement updates and supersedes the information contained in the Prospectus.

Our common stock is traded on the NASDAQ Capital Market under the symbol “EAST.” On October 10, 2018, the closing sale price of our common stock on the NASDAQ Capital Market was $7.90 per share. You are urged to obtain current market quotations for the common stock.

Investing in our common stock involves risks.
See “Risk Factors” beginning on page 10 of the Prospectus.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if the Prospectus or this Supplement is truthful or complete. Any representation to the contrary is a criminal offense.

The date of this Prospectus Supplement is October 12, 2018.

SELLING SECURITY HOLDERS

The information in the table appearing under the caption “Selling Stockholders” commencing on page 64 of the Prospectus is hereby supplemented and amended by adding the information below with respect to a selling stockholder not previously listed in the Prospectus, and by superseding the information with respect to the selling stockholder identified below that was previously listed in the Prospectus with the information below.

This information has been updated only to reflect the assignment by WATB ISA, LLC to DiamondRock, LLC of a common stock purchase warrant to purchase 27,500 shares of our common stock.

The table below presents information regarding the selling stockholders and the common stock that they may sell or otherwise dispose of from time to time under the Prospectus and this Prospectus Supplement. The table is based on information supplied to us by the selling stockholders and reflects holdings as of October 10, 2018. Percentages of beneficial ownership are based upon 7,212,197 shares of common stock outstanding as of October 10, 2018. Beneficial ownership is determined under Section 13(d) of the Exchange Act and generally includes voting or investment power with respect to securities and including any securities that grant the selling stockholders the right to acquire common stock within 60 days of October 10, 2018 (December 9, 2018). Unless otherwise noted, each person identified possesses sole voting and investment power with respect to the common stock.

Each selling stockholder has indicated to us that neither it nor any of its affiliates has held any position or office or had any other material relationship with us in the past three years.

	Beneficial Ownership Prior to Offering									Beneficial Ownership After Offering
Name of Selling Stockholder	Number of Shares of Common Stock and Shares of Common Stock Issuable Upon Exercise of Selling Stockholder Warrants		Percent			Number of Shares of Common Stock Offered		Number of Shares of Common Stock Offered Upon Exercise of Selling Stockholder Warrants		Number of Shares of Common Stock and Shares of Common Stock Issuable Upon Exercise of Selling Stockholder Warrants		Percent
DiamondRock, LLC		27,500		*			-		27,500		-		-
WATB ISA, LLC		172,502		2.37	%		-		80,834		91,668		1.26	%

* Less than 1%.