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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

Name:	rnin_ConcentrationsOfCreditRiskAccountsReceivable
Namespace Prefix:	rnin_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

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- Details

Name:	us-gaap_EntityWideRevenueMajorCustomerLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration