XML 53 R41.htm IDEA: XBRL DOCUMENT v2.4.0.6

Segment Information and Major Customers (Details Textual)	3 Months Ended
	Mar. 31, 2013
Maximum
Segment Information and Major Customers
Percentage of sales to customers	10.00%
Minimum
Segment Information and Major Customers
Percentage of sales to customers	10.00%

X

- Definition

Entity wide revenue major customer percentage threshold.

+ References

No definition available.

+ Details

Name:	rnin_EntityWideRevenueMajorCustomerPercentageThreshold
Namespace Prefix:	rnin_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	rnin_SegmentInformationAndMajorCustomersTextualAbstract
Namespace Prefix:	rnin_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration