The increase in total operating expenses was primarily driven by increases in personnel costs, insurance, travel, legal, and research and development costs.

Jan 5, 2023 / CFO / receipt, needs a key / Paul Wyckoff, CFO | earnings call 2023-01-05 | transcript 1f34e43a-1426-4bac-9f4b-7a218f306199 | chars 7249-7405 | segment 7