This article has been updated with additional comment from the company's earnings conference call.

NEW YORK (GenomeWeb) – OpGen reported after the close of the market on Tuesday that its second quarter revenues dropped 42 percent year over year.

For the three months ended June 30, the firm reported total revenues of $703,210, down from $1.2 million in Q2 2016. Product sales fell to $681,127 from $1.0 million in the year-ago quarter, while lab services revenues fell to $15,850 from $29,674, and collaboration revenues sank to $6,233 from $125,000.