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Other Financial Information
 6 Months Ended
Jun. 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):
                                                                     
 June 30, 2024December 31, 2023
Diagnostic testing supplies$2,874 $2,871 
Prepaid product royalties33 35 
Prepaid maintenance and insurance contracts1,705 1,860 
Other prepaid expenses and other current assets— 31 
Prepaid expenses and other current assets$4,612 $4,797 
Property and Equipment
Property and equipment consist of the following (in thousands):
 
 June 30, 2024December 31, 2023
Furniture and fixtures$98 $98 
Laboratory equipment4,524 5,312 
Computer equipment and software2,113 2,185 
Leasehold improvements3,089 3,316 
Construction in progress890 59 
Total property and equipment10,714 10,970 
Less: accumulated depreciation and amortization(5,567)(5,769)
Property and equipment, net$5,147 $5,201 
Depreciation and amortization expense for the three months ended June 30, 2024 and 2023 was approximately $0.4 million and $0.5 million, respectively. For the six months ended June 30, 2024 and 2023, depreciation and amortization expense was approximately $0.9 million and $1.1 million, respectively.
Accrued and Other Current Liabilities
Accrued and other current liabilities consist of the following (in thousands):
 
 June 30, 2024December 31, 2023
Accrued payroll and related expenses$3,777 $4,738 
Accrued interest136 139 
Accrued purchases of goods and services519 720 
Accrued royalties218 463 
Accrued clinical study activity13 118 
Finance lease obligations, current portion362 490 
Refund liability266 302 
Other accrued liabilities367 561 
Accrued and other current liabilities$5,658 $7,531