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Other Financial Information (Tables)
3 Months Ended
Mar. 31, 2023
Other Financial Information [Abstract]  
Prepaid Expenses and Other Current Assets Prepaid expenses and other current assets consist of the following (in thousands):                                                                     
 March 31, 2023December 31, 2022
Diagnostic testing supplies$1,736 $1,795 
Prepaid product royalties39 40 
Prepaid maintenance and insurance contracts2,210 2,072 
Other prepaid expenses and other current assets244 236 
Prepaid expenses and other current assets$4,229 $4,143 
Property and Equipment
Property and equipment consist of the following (in thousands):
 
 March 31, 2023December 31, 2022
Furniture and fixtures$98 $98 
Laboratory equipment5,209 5,136 
Computer equipment and software1,548 1,482 
Leasehold improvements5,223 5,223 
Construction in progress1,856 1,382 
Total property and equipment13,934 13,321 
Less: accumulated depreciation and amortization(5,670)(5,124)
Property and equipment, net$8,264 $8,197 
Accrued and Other Current Liabilities
Accrued and other current liabilities consist of the following (in thousands):
 
 March 31, 2023December 31, 2022
Accrued payroll and related expenses$3,662 $2,355 
Accrued interest142 142 
Accrued purchases of goods and services665 803 
Accrued royalties114 514 
Accrued clinical study activity160 162 
Finance lease obligations, current portion650 700 
Refund liability445 445 
Other accrued liabilities226 226 
Accrued and other current liabilities$6,064 $5,347