1977
$10M
from 9 investors over 9 rounds
ERT raised $1M on August 4, 2008
Investors: SightLine Partners
ERT raised $5M on October 2, 2003
Investors: Boston Millennia Partners and Piper Jaffray
ERT raised undisclosed on July 31, 2001
Investors: Pentech Ventures LLP and Piper Jaffray
ERT raised $8M on July 25, 2000
Investors: Boston Millennia Partners and Piper Jaffray
ERT raised $10M on November 1, 1999
Investors: Piper Jaffray and Boston Millennia Partners