Alpha Dominche Chief Executive Officer Thomas Perez pours a serving of Kenyan Geisha coffee, which costs $18 a cup, at his company's Extraction Lab in Brooklyn, New York, U.S., February 17, 2017. REUTERS/Brendan McDermid - RTSZ7YS

A bag of beans for Kenyan Geisha coffee, which retails for $18, are displayed at the Extraction Lab by Alpha Dominche in Brooklyn, New York, U.S., February 17, 2017. REUTERS/Brendan McDermid - RTSZ7Z0

A cup of Kenyan Geisha coffee, which retails for $18, is served at the Extraction Lab by Alpha Dominche in Brooklyn, New York, U.S., February 17, 2017. REUTERS/Brendan McDermid - RTSZ7Z4. Image used for illustrative purposes

A serving of Kenyan Geisha coffee, which costs $18 a cup, is served at Alpha Dominche's Extraction Lab in Brooklyn, New York, U.S., February 17, 2017. REUTERS/Brendan McDermid - RTSZ7YU

Beans for a cup Kenyan Geisha coffee, which retails for $18, are measured before brewing at the Extraction Lab by Alpha Dominche in Brooklyn, New York, U.S., February 17, 2017. REUTERS/Brendan McDermid - RTSZ7YV

Grounds for a cup Kenyan Geisha coffee, which retails for $18, is shown before brewing at the Extraction Lab by Alpha Dominche in Brooklyn, New York, U.S., February 17, 2017. REUTERS/Brendan McDermid - RTSZ7Z2

Alpha Dominche Chief Executive Officer Thomas Perez works at his company's Extraction Lab, where a cup of Kenyan Geisha coffee retails at $18, in Brooklyn, New York, U.S., February 17, 2017. REUTERS/Brendan McDermid - RTSZ7Z1

Alpha Dominche Chief Executive Officer Thomas Perez brews a serving of Kenyan Geisha coffee, which retails at $18 per cup, at his company's Extraction Lab in Brooklyn, New York, U.S., February 17, 2017. REUTERS/Brendan McDermid - RTSZ7YT

A cup of Kenyan Geisha coffee, which retails for $18, is brewed in a Alpha Dominche steampunk at the company's Extraction Lab in Brooklyn, New York, U.S., February 17, 2017. REUTERS/Brendan McDermid - RTSZ7Z3