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Income Taxes (Details Narrative) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($)
Partial release of valuation allowances	$ 1,100
Razor Genomics, Inc. [Member]
Partial release of valuation allowances	$ 7,600

X

- Definition

Partial release of valuation allowances.

+ References

No definition available.

+ Details

Name:	OCX_PartialReleaseOfValuationAllownces
Namespace Prefix:	OCX_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	dei_LegalEntityAxis=OCX_RazorGenomicsIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: