FORMATION AND BUSINESS OF THE COMPANY (Details)	12 Months Ended
Dec. 31, 2013 Distribution_Channel Area
FORMATION AND BUSINESS OF THE COMPANY
Number of core product areas	2
Number of geographic distribution channels	2

Represents the number of geographic distribution channels through which the entity sells its products.

No definition available.

Name:	artc_NumberOfGeographicDistributionChannelsForBusinessProducts
Namespace Prefix:	artc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration