XML 30 R30.htm IDEA: XBRL DOCUMENT v3.19.3

Provision for Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Foreign-derived intangible income benefit	$ 170	$ 98

X

- Definition

Income tax reconciliation foreign derived intangible income benefit.

+ References

No definition available.

+ Details

Name:	cix_IncomeTaxReconciliationForeignDerivedIntangibleIncomeBenefit
Namespace Prefix:	cix_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration