Statement of Stockholders' Equtiy (USD $)
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12 Months Ended | ||
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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Balance | $ 12,625,488us-gaap_StockholdersEquity | $ 9,533,989us-gaap_StockholdersEquity | |
Issuance of common stock and units | 16,308,572us-gaap_StockIssuedDuringPeriodValueNewIssues | 8,633,855us-gaap_StockIssuedDuringPeriodValueNewIssues | |
Issuance of common stock and units, Shares | 375,000us-gaap_StockIssuedDuringPeriodSharesNewIssues | ||
Stock issuance costs | (1,159,582)us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts | (952,490)us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts | |
Common stock issued in exchange for services, value | 409,000us-gaap_StockIssuedDuringPeriodValueIssuedForServices | 306,800us-gaap_StockIssuedDuringPeriodValueIssuedForServices | |
Shares surrendered for net stock option exercise | (100,000)rnn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsValueOfForfeituresInPeriod | ||
Stock options exercised | 358,955us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised | 90,000us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised | |
Stock options exercised, shares | 448,693us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised | 375,000us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised | |
Stock warrants exercised | 16,084,511rnn_StockWarrantsExercisedValue | 3,947,330rnn_StockWarrantsExercisedValue | |
Stock based compensation | 608,795us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue | 565,428us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue | |
Net loss | (18,521,601)us-gaap_NetIncomeLoss | (9,499,424)us-gaap_NetIncomeLoss | |
Other Comprehensive Loss | (33,647)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent | ||
Balance | 26,580,491us-gaap_StockholdersEquity | 12,625,488us-gaap_StockholdersEquity | |
Common Stock [Member] | |||
Balance |
14,673us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
11,944us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Balance, shares |
146,732,000us-gaap_SharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
119,443,194us-gaap_SharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Issuance of common stock and units |
1,905us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
2,159us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Issuance of common stock and units, Shares |
19,047,620us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
21,592,309us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Common stock issued in exchange for services, value |
40us-gaap_StockIssuedDuringPeriodValueIssuedForServices / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
64us-gaap_StockIssuedDuringPeriodValueIssuedForServices / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
|
Common stock issued in exchange for services, shares |
400,000us-gaap_StockIssuedDuringPeriodSharesIssuedForServices / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
640,000us-gaap_StockIssuedDuringPeriodSharesIssuedForServices / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Stock options exercised |
45us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
38us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Stock options exercised, shares |
448,693us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
375,000us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Stock warrants exercised |
1,174rnn_StockWarrantsExercisedValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
468rnn_StockWarrantsExercisedValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Stock warrants exercised, shares |
11,738,220rnn_StockWarrantsExercisedShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
4,681,497rnn_StockWarrantsExercisedShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Balance, shares |
178,366,533us-gaap_SharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
146,732,000us-gaap_SharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Balance |
17,837us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
14,673us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Additional Paid-in Capital [Member] | |||
Balance |
85,449,932us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
72,861,738us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Issuance of common stock and units |
16,306,667us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
8,631,696us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Stock issuance costs |
(1,159,582)us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
(952,490)us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Common stock issued in exchange for services, value |
408,960us-gaap_StockIssuedDuringPeriodValueIssuedForServices / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
306,736us-gaap_StockIssuedDuringPeriodValueIssuedForServices / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Stock options exercised |
358,910us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
89,962us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Stock warrants exercised |
16,083,337rnn_StockWarrantsExercisedValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
3,946,862rnn_StockWarrantsExercisedValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Stock based compensation |
608,795us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
565,428us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Balance |
118,057,019us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
85,449,932us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Accumulated Deficit [Member] | |||
Balance |
(72,810,707)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
(63,311,283)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
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Net loss |
(18,521,601)us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
(9,499,424)us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
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Balance |
(91,332,308)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
(72,810,707)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
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Treasury Stock [Member] | |||
Balance |
(28,410)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
(28,410)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
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Balance, shares |
14,205us-gaap_SharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
14,205us-gaap_SharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
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Shares surrendered for net stock option exercise |
(100,000)rnn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsValueOfForfeituresInPeriod / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
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Shares surrendered for net stock option exercise, Shares |
99,010rnn_ShareBasedCompensationByShareBasedPaymentAwardSharesSurrenderedForNetStockOptionExercise / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
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Balance, shares |
113,215us-gaap_SharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
14,205us-gaap_SharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
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Balance |
(128,410)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
(28,410)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
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Accumulated Other Comprehensive Loss [Member] | |||
Other Comprehensive Loss |
(33,647)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
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Balance |
$ (33,647)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
X | ||||||||||
- Definition
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Value Of Forfeitures In Period No definition available.
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- Definition
Share based compensation by share based payment award, shares surrendered for net stock option exercise. No definition available.
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- Definition
Stock Warrants Exercised, Shares No definition available.
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X | ||||||||||
- Definition
Stock Warrants Exercised, Value No definition available.
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X | ||||||||||
- Definition
This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation". Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount after tax of other comprehensive income (loss) attributable to parent entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders. No definition available.
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X | ||||||||||
- Definition
Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Value of stock issued in lieu of cash for services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders. No definition available.
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X | ||||||||||
- Definition
Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Value of stock issued as a result of the exercise of stock options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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