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Stock-Based Compensation (Details Narrative) - USD ($)	1 Months Ended	3 Months Ended	9 Months Ended		12 Months Ended
	May 31, 2018	Sep. 30, 2021	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2018	Dec. 31, 2020
2010 Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares authorized						5,200,000
2010 Stock Option Plan [Member] | Employees and Consultants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise prices ranging, lower limit					$ 2.30
Exercise prices ranging, upper limit					$ 3.15
Performance-Based Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expenses		$ 0	$ 0	$ 466,000
Option vested				265,000
Performance-Based Options [Member] | DetermaDx [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of option granted during the period	125,000
Two Thousand Eighteen Plan Activity [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of option granted during the period			4,745,000
Option vested
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number		10,638,000	10,638,000			7,212,000
Number of common stock reserved for future issuance		21,000,000	21,000,000

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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