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Basis of Presentation and Summary of Significant Accounting Policies (Details Narrative) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Apr. 15, 2021
Dec. 31, 2020
Product Information [Line Items]            
Impairment charge on goodwill and intangible asset     $ 0      
Allowance for doubtful accounts $ 0   0      
Equity Securities, FV-NI, Current 923,000   923,000     $ 675,000
Deferred Revenue 500,000   500,000      
Revenue from Contract with Customer, Excluding Assessed Tax 984,000 $ 555,000 4,138,000 $ 713,000    
Chronix Acquisition [Member]            
Product Information [Line Items]            
Deferred Revenue $ 738,000   $ 738,000   $ 738,000  
Lineage and AgeX [Member]            
Product Information [Line Items]            
Common Stock, Shares Held as Available for Sale Securities 353,264   353,264     35,326
Equity Securities, FV-NI, Current $ 900,000   $ 900,000     $ 700,000
Pharma Services [Member]            
Product Information [Line Items]            
Accounts Receivable, Sale     300,000      
Medicare for DetermaRx and Medicare Advantage for DetermaRx [Member]            
Product Information [Line Items]            
Accounts Receivable, Sale     $ 1,000,000.0      
License [Member] | Chronix Acquisition [Member]            
Product Information [Line Items]            
Revenue from Contract with Customer, Excluding Assessed Tax $ 478,000