Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Narrative (Details)

v3.24.1
Summary of Significant Accounting Policies - Narrative (Details)
 12 Months Ended
Dec. 31, 2023
USD ($)
test
Segment
Dec. 31, 2022
USD ($)
test
Dec. 31, 2021
USD ($)
Property, Plant and Equipment [Line Items]      
Number of operating segments | Segment 2    
Number of tests recognized | test 480,000 1,000,000  
Number of tests recognized reimbursed by HRSA uninsured program (as a percent) 0 0.28  
Cash used by operating activities $ 11,348,000 $ (28,551,000)  
Cash, cash equivalents, restricted cash and marketable securities 5,300,000    
Escrow amount 540,000    
Accounts receivable, allowance for credit loss 3,864,000 3,140,000  
Allowance for doubtful accounts period increase 724,000 5,500,000  
Accounts receivable allowances 718,000 (761,000)  
Cash, cash equivalents, and restricted cash 2,149,000 9,109,000 $ 8,658,000
Federal depository insurance 1,000,000    
Bank balance uninsured 1,100,000    
Impairment charges 0 0  
Contract balance, deferred revenue 3,500,000 3,600,000  
Research and development 1,418,000 652,000  
Personal Genomics Business      
Property, Plant and Equipment [Line Items]      
Contract balance, deferred revenue $ 3,400,000    
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 $ 300,000 5,900,000  
Allowance for doubtful accounts period increase 400,000    
Fully Reserved Trade Receivables      
Property, Plant and Equipment [Line Items]      
Bad debt expense   2,900,000  
Cooperative Incentive Promotion Costs      
Property, Plant and Equipment [Line Items]      
Advertising expense $ 1,800,000 $ 400,000  
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    
Minimum | Marketable Securities      
Property, Plant and Equipment [Line Items]      
Debt securities maturity (in years)   1 year  
Interest rates (as a percent)   1.40%  
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    
Maximum | Marketable Securities      
Property, Plant and Equipment [Line Items]      
Debt securities maturity (in years)   3 years  
Interest rates (as a percent)   4.90%