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Other Financial Information
 9 Months Ended
Sep. 30, 2024
Other Financial Information [Abstract]  
Other Financial Information Other Financial Information
Prepaid Expenses and Other Current Assets
Prepaid expenses and other current assets consist of the following (in thousands):
                                                                     
 September 30, 2024December 31, 2023
Diagnostic testing supplies$2,934 $2,871 
Prepaid product royalties32 35 
Prepaid maintenance and insurance contracts1,169 1,860 
Other prepaid expenses and other current assets— 31 
Prepaid expenses and other current assets$4,135 $4,797 
Property and Equipment
Property and equipment consist of the following (in thousands):
 
 September 30, 2024December 31, 2023
Furniture and fixtures$98 $98 
Laboratory equipment4,209 5,312 
Computer equipment and software2,113 2,185 
Leasehold improvements3,089 3,316 
Construction in progress945 59 
Total property and equipment10,454 10,970 
Less: accumulated depreciation and amortization(5,599)(5,769)
Property and equipment, net$4,855 $5,201 
Depreciation and amortization expense for the three months ended September 30, 2024 and 2023 was approximately $0.4 million and $0.6 million, respectively. For the nine months ended September 30, 2024 and 2023, depreciation and amortization expense was approximately $1.3 million and $1.7 million, respectively.
Accrued and Other Current Liabilities
Accrued and other current liabilities consist of the following (in thousands):
 
 September 30, 2024December 31, 2023
Accrued payroll and related expenses$4,413 $4,738 
Accrued purchases of goods and services547 720 
Finance lease obligations, current portion283 490 
Refund liability266 302 
Other accrued liabilities668 1,281 
Accrued and other current liabilities$6,177 $7,531