RELATED PARTY TRANSACTIONS (Details)	12 Months Ended
Jan. 02, 2016 USD ($) item
RELATED PARTY TRANSACTIONS
Number of law firms \| item	1
Amount paid for service rendered by related party \| $	$ 494,000

Represents the amount paid by the entity for the service rendered by the related party.

No definition available.

Name:	cuo_RelatedPartyTransactionServiceFeesToRelatedParty
Namespace Prefix:	cuo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration