Acquisitions (Details) (Jet Prep Ltd., Medivators, USD $)	0 Months Ended
Nov. 05, 2013
Jet Prep Ltd. \| Medivators
Acquisitions
Total consideration for the transaction, excluding transaction costs	$ 5,350,000
Period of sales percentage above a minimum threshold over which contingent consideration is based	7 years

Represents the total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, excluding the direct costs of the acquisition.

No definition available.

Name:	cmn_BusinessAcquisitionCostOfAcquiredEntityPurchasePriceExcludingTransactionCosts
Namespace Prefix:	cmn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant