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Basis of Presentation and Summary of Significant Accounting Policies (Details Narrative) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Product Information [Line Items]      
Increase (decrease) in asset, held-for-sale $ (191)  
Inventory write down 200    
Asset impairment charges $ 1,300    
Long-lived intangible assets, useful life 5 years    
Provision for doubtful accounts $ 200   $ 200
Fair value of equity securities $ 530   $ 433
Lineage and AgeX [Member]      
Product Information [Line Items]      
Common stock, shares held as available for sale securities 353,264   35,326
Fair value of equity securities $ 500   $ 400
Pharma Services [Member]      
Product Information [Line Items]      
Accounts receivable 300   $ 300
Medicare for DetermaRx and Medicare Advantage for DetermaRx [Member]      
Product Information [Line Items]      
Accounts receivable 1,600    
Various Agreements [Member]      
Product Information [Line Items]      
Increase (decrease) in asset, held-for-sale $ 600