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Segment Information and Major Customers (Details 2) | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Significant portion of Company's revenue is derived from few major customers |  |
Entity-Wide Revenue,Major Customer, Percentage | 58.60% | 53.40%
Chrysler |  |
Significant portion of Company's revenue is derived from few major customers |  |
Entity-Wide Revenue,Major Customer, Percentage | 40.10% | 42.70%
ARAMARK |  |
Significant portion of Company's revenue is derived from few major customers |  |
Entity-Wide Revenue,Major Customer, Percentage | 18.50% | 10.70%

X
- Definition Percentage of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues. + References No definition available. + Details
Name: | us-gaap_EntityWideRevenueMajorCustomerPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_GeographicAreasRevenuesFromExternalCustomersAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration