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