Quarterly report pursuant to Section 13 or 15(d)

Other Liabilities (Narrative) (Details)

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Other Liabilities (Narrative) (Details) (USD $)
3 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Jun. 29, 2009
Other Liabilities [Abstract]      
Office lease term 5 years    
Amended office lease term 6 years    
Incentive from Lessor $ 154,660us-gaap_IncentiveFromLessor $ 154,660us-gaap_IncentiveFromLessor $ 100,000us-gaap_IncentiveFromLessor
Incentive from Lessor, Additions 54,660rnn_IncentiveFromLessorAdditions    
Accrued Rent $ 67,315us-gaap_AccruedRentCurrentAndNoncurrent $ 68,960us-gaap_AccruedRentCurrentAndNoncurrent