Annual report pursuant to Section 13 and 15(d)

Common Stock (Summary Of Allocation Of Proceeds From Offering) (Details)

v2.4.1.9
Common Stock (Summary Of Allocation Of Proceeds From Offering) (Details) (USD $)
 0 Months Ended
Jan. 21, 2014
Oct. 16, 2013
Jul. 26, 2013
Common Stock [Abstract]      
Allocated to Warrant liabilities   $ 1,157,561rnn_ProceedsFromIssuanceOfCommonStockAllocatedToWarrantLiabilities $ 1,406,441rnn_ProceedsFromIssuanceOfCommonStockAllocatedToWarrantLiabilities
Less: Warrants allocated to placement agent   (87,368)rnn_WarranctsAllocatedToPlacementAgent (110,489)rnn_WarranctsAllocatedToPlacementAgent
Total allocated to liabilities 3,691,429rnn_ProceedsFromIssuanceOfCommonStockTotalAllocatedToLiabilities 1,070,193rnn_ProceedsFromIssuanceOfCommonStockTotalAllocatedToLiabilities 1,295,952rnn_ProceedsFromIssuanceOfCommonStockTotalAllocatedToLiabilities
Allocated to Common stock and additional paid-in capital 16,308,572rnn_ProceedsFromIssuanceOfCommonStockAllocatedToEquity 4,229,808rnn_ProceedsFromIssuanceOfCommonStockAllocatedToEquity 4,404,048rnn_ProceedsFromIssuanceOfCommonStockAllocatedToEquity
Gross Proceeds: $ 20,000,001us-gaap_ProceedsFromIssuanceOfCommonStock $ 5,300,001us-gaap_ProceedsFromIssuanceOfCommonStock $ 5,700,000us-gaap_ProceedsFromIssuanceOfCommonStock