The decline was due to lower validation revenue, as well as higher spending on personnel, travel, and materials associated with supporting a higher level of systems under service contracts.

Mar 3, 2023 / CFO / receipt, needs a key / Sean Wurchis, CFO | earnings call 2023-03-03 | transcript 84e3bc4e-a454-431d-825b-6b0417fac243 | chars 11786-11975 | segment 11