The year-over-year improvement of $0.6 million, or 11%, was driven by net decreases in operating expenses, largely around personnel and professional services, yielded by cost reductions enacted in Q4 2019, coupled with lower overall travel as a result of COVID-19.

Mar 4, 2021 / CFO / receipt, needs a key / Mike Symmetra, CFO | earnings call 2021-03-04 | transcript f99899a8-49f1-45e2-a083-8a510e7e056a | chars 22180-22444 | segment 23