Sales and marketing expenses were $7.8 million compared to $6.7 million for the fourth quarter of 2021. This increase is primarily due to $0.6 million in employee expenses due to the expansion of the sales force and $0.5 million increases in marketing and travel costs.

Mar 1, 2023 / CFO / receipt, needs a key / Andrew Schemick, CFO | earnings call 2023-03-01 | transcript 06df5fd1-0f0c-476b-b4e9-3ac33b73b7b5 | chars 12574-12843 | segment 12

The cost of revenue for the fourth quarter of 2022 was 31.8 million, an increase from 29.3 million in the fourth quarter of 2021, primarily due to 3.5 million increase in employee-related costs, 1.1 million increase in other costs of revenues, such as equipment, travel, and software licenses, offset by lower stock-based compensation, and outside consulting costs of 1.6 million.

Mar 1, 2023 / CFO / receipt, needs a key / Andrew Schemick, CFO | earnings call 2023-03-01 | transcript 06df5fd1-0f0c-476b-b4e9-3ac33b73b7b5 | chars 12002-12382 | segment 12