Statements of Preferred Stock and Stockholders' Equity (Deficit) (USD $)
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Total
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Series A Convertible Preferred Stock [Member]
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Series A Non-Convertible Preferred Stock [Member]
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Common Stock [Member]
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Additional Paid-in Capital [Member]
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Deficit Accumulated During the Development Stage [Member]
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Beginning balance at Dec. 31, 2012 | $ (1,186,989)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |
$ 986,609us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = crbp_SeriesAConvertiblePreferredStockMember |
$ 2,000us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = crbp_SeriesANonConvertiblePreferredStockMember |
$ 696us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
$ 96,555us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
$ (1,284,240)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDeficitDuringDevelopmentStageMember |
Beginning balance, shares at Dec. 31, 2012 |
1,636,404us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = crbp_SeriesAConvertiblePreferredStockMember |
200,000us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = crbp_SeriesANonConvertiblePreferredStockMember |
6,964,788us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Issuance of Series A preferred stock/ common stock at inception of Corbus |
120,000us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = crbp_SeriesAConvertiblePreferredStockMember |
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Issuance of Series A preferred stock/ common stock at inception of Corbus, shares |
198,808us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = crbp_SeriesAConvertiblePreferredStockMember |
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Stock compensation expense | 6,141us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation |
6,141us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Net loss | (602,350)us-gaap_NetIncomeLoss |
(602,350)us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDeficitDuringDevelopmentStageMember |
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Ending balance at Dec. 31, 2013 | (1,783,198)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |
1,106,609us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = crbp_SeriesAConvertiblePreferredStockMember |
2,000us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = crbp_SeriesANonConvertiblePreferredStockMember |
696us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
102,696us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
(1,886,590)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDeficitDuringDevelopmentStageMember |
Ending balance, shares at Dec. 31, 2013 |
1,835,212us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = crbp_SeriesAConvertiblePreferredStockMember |
200,000us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = crbp_SeriesANonConvertiblePreferredStockMember |
6,964,788us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Issuance of Series A preferred stock/ common stock at inception of Corbus |
600us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
(600)us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Issuance of Series A preferred stock/ common stock at inception of Corbus, shares |
6,000,000us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Conversion of Series A convertible preferred stock into common stock upon reverse acquisition | 1,108,609us-gaap_StockIssuedDuringPeriodValueConversionOfUnits |
(1,106,609)us-gaap_StockIssuedDuringPeriodValueConversionOfUnits / us-gaap_StatementEquityComponentsAxis = crbp_SeriesAConvertiblePreferredStockMember |
(2,000)us-gaap_StockIssuedDuringPeriodValueConversionOfUnits / us-gaap_StatementEquityComponentsAxis = crbp_SeriesANonConvertiblePreferredStockMember |
204us-gaap_StockIssuedDuringPeriodValueConversionOfUnits / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
1,108,405us-gaap_StockIssuedDuringPeriodValueConversionOfUnits / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Conversion of Series A convertible preferred stock into common stock upon reverse acquisition, Shares |
(1,835,212)us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits / us-gaap_StatementEquityComponentsAxis = crbp_SeriesAConvertiblePreferredStockMember |
(200,000)us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits / us-gaap_StatementEquityComponentsAxis = crbp_SeriesANonConvertiblePreferredStockMember |
2,035,212us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Issuance of common stock in private placement, net of issuance costs of $1,857,668 | 8,402,332crbp_IssuanceOfCommonStockPrivatePlacement |
1,026crbp_IssuanceOfCommonStockPrivatePlacement / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
8,401,306crbp_IssuanceOfCommonStockPrivatePlacement / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Issuance of common stock in private placement, shares |
10,260,000crbp_IssuanceOfCommonStockPrivatePlacementShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Issuance of common stock in exchange for settlement of debt | 396,192us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities |
54us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
396,138us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Issuance of common stock in exchange for settlement of debt, shares |
541,948us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Stock compensation expense | 193,120us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation |
193,120us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Issuance of common stock upon exercise of warrants | 33,333crbp_IssuanceOfCommonStockUponExerciseOfWarrantsAmount |
5crbp_IssuanceOfCommonStockUponExerciseOfWarrantsAmount / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
33,328crbp_IssuanceOfCommonStockUponExerciseOfWarrantsAmount / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Issuance of common stock upon exercise of warrants, shares |
48,693crbp_IssuanceOfCommonStockUponExerciseOfWarrantsShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Issuance of common stock upon exercise of stock options | 4,450us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised |
9us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
4,441us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Issuance of common stock upon exercise of stock options, shares | 87,691us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised |
87,691us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Reclasssification of derivative warrant liability | 48,380crbp_AdjustmentsToAdditionalPaidInCapitalReclassificationOfWarrantsAsDerivativeLiabilities |
48,380crbp_AdjustmentsToAdditionalPaidInCapitalReclassificationOfWarrantsAsDerivativeLiabilities / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Net loss | (2,540,485)us-gaap_NetIncomeLoss |
(2,540,485)us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDeficitDuringDevelopmentStageMember |
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Ending balance at Dec. 31, 2014 | $ 5,862,733us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |
$ 2,594us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
$ 10,287,214us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
$ (4,427,075)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDeficitDuringDevelopmentStageMember |
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Ending balance, shares at Dec. 31, 2014 |
25,938,332us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
X | ||||||||||
- Definition
Adjustments To Additional Paid In Capital Reclassification Of Warrants As Derivative Liabilities No definition available.
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- Definition
Issuance Of Common Stock Private Placement No definition available.
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- Definition
Issuance Of Common Stock Private Placement Shares No definition available.
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X | ||||||||||
- Definition
Issuance Of Common Stock Upon Exercise Of Warrants Amount No definition available.
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X | ||||||||||
- Definition
Issuance Of Common Stock Upon Exercise Of Warrants Shares No definition available.
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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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X | ||||||||||
- Definition
Number of shares issued which are neither cancelled nor held in the treasury. No definition available.
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X | ||||||||||
- Definition
Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Number of shares issued during the period as a result of the conversion of convertible securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
The number of shares issued during the period upon the conversion of units. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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
The gross value of stock issued during the period upon the conversion of convertible securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Value of stock issued during the period upon the conversion of units. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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 (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of stock value of such awards forfeited. Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. 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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