Research and development expenses were $30,800,000 $97,900,000 for the Q4 and full year of 2023 respectively, compared to $14,700,000 50 $7,900,000 for the comparable periods in 2022. The increase was primarily related to the focused trial of solriamfetol in ADHD, the advancement of ongoing trials of AXS-five and AXS-twelve, manufacturing costs associated with the anticipated NDAs for AXS-seven and AXS-fourteen, post marketing commitments for both Avelity and Sunosi and higher personnel costs, including non cash stock based compensation. Selling, general and administrative expenses were $86,800,000 $323,100,000 for the Q4 and full year of 2023 respectively, compared to $61,500,000 $159,300,000 for the comparable periods in 2022. The increase was primarily related to commercialization activities for Avelity and Sunosi, including sales force and marketing expenses and higher personnel costs related to organizational growth, including non cash stock based compensation. Net loss for the Q4 of 2023 was $98,700,000 or $2.08 per share, compared to a net loss of $61,200,000 or $1.41 per share in the comparable period in 2022.