The decline was due to lower validation revenue as well as higher spending on personnel, travel, and materials associated with field service activity.

Nov 10, 2022 / CFO / receipt, needs a key / Sean Werches, CFO | earnings call 2022-11-10 | transcript ed307181-0f73-43a8-9fbe-0356a3829e89 | chars 14856-15006 | segment 15