Q1, in the last earnings call, we announced that there was lower than expected travel and entertainment expense just related to lockdown. Obviously, we had some challenges with closures at the customer sites and doing proof of concepts and even delivering and installing equipment. But as the pandemic has been easing and we've seen things opening back up, we're beginning to see things resume to normal. We saw in Q2 travel and entertainment as well as event expenses pick up. We also were able to reintroduce more installation services, and other travel expenses.

Jul 27, 2021 / CFO / receipt, needs a key / Brian Becker, CFO | earnings call 2021-07-27 | transcript 536c9e45-c8b5-4e14-a902-c047ff069fe4 | chars 18064-18629 | segment 18

In addition, Q1 operating expenses also benefited by approximately $1.9 million year over year due to continued COVID-related restrictions, of which approximately $1.2 million from deferred marketing events and approximately $700,000 from reduced travel.

Apr 27, 2021 / CFO / receipt, needs a key / Brian Becker, CFO | earnings call 2021-04-27 | transcript f36b773c-87b1-4983-8f4e-7b30f672527b | chars 9712-9966 | segment 9