Financial Performance - For the year ended December 31, 2023, net product sales were 127.0million,anincreaseof17.9107.7 million for the same period in 2022[315]. - Net product sales of ZYNRELEF for the year ended December 31, 2023, were 17.7million,upfrom10.2 million in 2022, reflecting an increase in units sold[316]. - Net product sales of CINVANTI for the year ended December 31, 2023, were 94.9million,comparedto87.3 million in 2022, primarily due to an increase in units sold[317]. - APONVIE generated net product sales of 1.4millionin2023,havingbecomecommerciallyavailableinMarch2023[316].−NetproductsalesofSUSTOLfortheyearendedDecember31,2023,were13.0 million, compared to 10.2millionin2022,attributedtoanincreaseinunitssold[317].CostandExpenses−CostofproductsalesfortheyearendedDecember31,2023,was65.1 million, an increase from 54.9millionin2022,drivenbyhigherinventorywrite−offs[318].−Thecostofproductsalesincludedchargesof20.3 million in 2023 and 8.9millionin2022,primarilyfromthewrite−offofZYNRELEFinventory[318].−TheincreaseincostofproductsaleswaspartiallyoffsetbyadecreaseincostperunitforCINVANTIandZYNRELEFduetovalidatedlarge−scalemanufacturing[318].−FortheyearendedDecember31,2023,totalresearchanddevelopmentexpensewas55.9 million, a decrease of 48% from 107.5millionin2022,primarilyduetoreducedcostsrelatedtoZYNRELEFandCINVANTI[320].−Generalandadministrativeexpenseincreasedto49.0 million in 2023 from 37.4millionin2022,mainlyduetoseveranceandstock−basedcompensationexpensesrelatedtoexecutivedepartures[321].−Salesandmarketingexpensedecreasedto67.6 million in 2023, down 18% from 82.5millionin2022,attributedtoimprovedoperationalefficienciesinthecommercializationofZYNRELEF[322].NetLossandCashFlow−ThenetlossfortheyearendedDecember31,2023,was110.6 million, or 0.80pershare,comparedtoanetlossof182.0 million, or 1.67pershare,forthesameperiodin2022[326].−Netcashusedinoperatingactivitiesdecreasedto58.8 million in 2023 from 146.9millionin2022,primarilyduetoloweroperatingexpensesandchangesinworkingcapital[326].−AsofDecember31,2023,thecompanyhadcash,cashequivalents,andshort−terminvestmentstotaling80.4 million, sufficient to meet anticipated cash requirements for at least one year[325]. - Net cash provided by investing activities was 18.0millionin2023,comparedtonetcashusedof3.3 million in 2022, primarily due to net maturities of short-term investments[327]. Obligations and Agreements - The company had total purchase obligations of 60.2millionasofDecember31,2023,with39.0 million due in one year and 21.2millionduewithintwotothreeyears[331].−AsofDecember31,2023,150.0 million of convertible notes were outstanding, maturing on May 26, 2026[332]. - The company entered into a sublease agreement for 5,840 square feet of office space in Cary, North Carolina, with a lease term expiring on April 30, 2025[330]. Future Outlook - The company expects total operating expenses to decrease year-over-year in 2024 due to cost reduction efforts[298]. - The company continues to monitor factors impacting its business and does not believe they are material as of the filing date of the report[298].