Annual report [Section 13 and 15(d), not S-K Item 405]

Summary of Significant Accounting Policies - Narrative (Details)

v3.25.1
Summary of Significant Accounting Policies - Narrative (Details)
 12 Months Ended
Dec. 31, 2024
USD ($)
Segment
test
Dec. 31, 2023
USD ($)
test
Dec. 31, 2022
USD ($)
Property, Plant and Equipment [Line Items]      
Number of operating segments | Segment 2    
Number of tests recognized | test 0 480,000  
Number of tests recognized reimbursed by HRSA uninsured program (as a percent)   0 0.28
Cash used by operating activities $ 11,803,000 $ 12,193,000  
Cash, cash equivalents, restricted cash and marketable securities 700,000    
Bad debt expense 39,000    
Accounts receivable, allowance for credit loss 14,843,000 3,864,000 $ 3,140,000
Cash and cash equivalents 678,000 1,609,000  
Federal depository insurance 353,000    
Bank balance uninsured 325,000    
Impairment charges 0 0  
Contract balance, deferred revenue 2,500,000 3,500,000  
Research and development 594,000 1,402,000  
Personal Genomics Business      
Property, Plant and Equipment [Line Items]      
Contract balance, deferred revenue $ 2,300,000    
Furniture and fixtures      
Property, Plant and Equipment [Line Items]      
Estimated useful life (in years) 5 years    
Uncollectible Trade Receivables      
Property, Plant and Equipment [Line Items]      
Bad debt expense $ 11,000,000 300,000  
Cooperative Incentive Promotion Costs      
Property, Plant and Equipment [Line Items]      
Advertising expense $ 300,000 $ 1,800,000  
Minimum | Building and Building Improvements      
Property, Plant and Equipment [Line Items]      
Estimated useful life (in years) 10 years    
Minimum | Machinery      
Property, Plant and Equipment [Line Items]      
Estimated useful life (in years) 3 years    
Minimum | Computer equipment and software      
Property, Plant and Equipment [Line Items]      
Estimated useful life (in years) 3 years    
Maximum | Stock Options      
Property, Plant and Equipment [Line Items]      
Award expiration period (in years) 7 years    
Maximum | Building and Building Improvements      
Property, Plant and Equipment [Line Items]      
Estimated useful life (in years) 39 years    
Maximum | Machinery      
Property, Plant and Equipment [Line Items]      
Estimated useful life (in years) 7 years    
Maximum | Computer equipment and software      
Property, Plant and Equipment [Line Items]      
Estimated useful life (in years) 5 years