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Segment Information and Major Customers (Customer Concentration Risk) (Details) | Sep. 30, 2013 | Dec. 31, 2012
--- | --- | ---
Entity Wide Revenue Major Customer [Line Items] |  |
Concentrations of Credit Risk Accounts Receivable | 69.60% | 57.20%
Chrysler [Member] |  |
Entity Wide Revenue Major Customer [Line Items] |  |
Concentrations of Credit Risk Accounts Receivable | 26.90% | 40.50%
ARAMARK [Member] |  |
Entity Wide Revenue Major Customer [Line Items] |  |
Concentrations of Credit Risk Accounts Receivable | 23.20% |
Polaris Industries [Member] |  |
Entity Wide Revenue Major Customer [Line Items] |  |
Concentrations of Credit Risk Accounts Receivable | 19.50% |
Buffalo Wild Wings [Member] |  |
Entity Wide Revenue Major Customer [Line Items] |  |
Concentrations of Credit Risk Accounts Receivable |  | 16.70%

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- Definition Concentrations of credit risk accounts receivable. + References No definition available. + Details
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Namespace Prefix: | rnin_
Data Type: | num:percentItemType
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- Details
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Namespace Prefix: | us-gaap_
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