CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS [Parenthetical] (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 29, 2014	Mar. 30, 2013
Share-based Compensation	$ 174	$ 63

Share-based compensation related to overheads expenses.

No definition available.

Name:	tmng_ShareBasedCompensationRelatedToOverheadsExpenses
Namespace Prefix:	tmng_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration