Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Cash Flows

v2.4.1.9
Consolidated Statements of Cash Flows (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Cash flows from operating activities:    
Net loss $ (2,540,485)us-gaap_NetIncomeLoss $ (602,350)us-gaap_NetIncomeLoss
Adjustments to reconcile net loss to net cash used in operating activities:    
Share-based compensation expense 193,120us-gaap_ShareBasedCompensation 6,141us-gaap_ShareBasedCompensation
Depreciation 10,405us-gaap_Depreciation  
(Gain) loss on foreign exchange (4,570)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax 2,692us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
Gain on settlement of notes payable, accrued interest and accounts payable (145,006)us-gaap_ExtinguishmentOfDebtGainLossNetOfTax  
Forgiveness of interest on notes payable (7,466)crbp_ForgivenessOfDebtAndAccruedInterest  
Changes in fair value of derivative warrant liability 28,448us-gaap_FairValueAdjustmentOfWarrants (1,978)us-gaap_FairValueAdjustmentOfWarrants
Non-cash interest expense 29,861us-gaap_PaidInKindInterest 41,543us-gaap_PaidInKindInterest
Changes in operating assets and liabilities:    
Increase in restricted cash (13,728)us-gaap_IncreaseDecreaseInRestrictedCashForOperatingActivities  
Decrease in prepaid expenses (268,056)us-gaap_IncreaseDecreaseInPrepaidExpense  
Increase in accounts payable 170,239us-gaap_IncreaseDecreaseInAccountsPayable 131,849us-gaap_IncreaseDecreaseInAccountsPayable
Increase (decrease) in accrued expenses 186,002us-gaap_IncreaseDecreaseInAccruedLiabilities 33,478us-gaap_IncreaseDecreaseInAccruedLiabilities
Net cash used in operating activities (2,361,236)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations (366,715)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Cash flows from investing activities:    
Purchases of property and equipment (64,448)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment  
Net cash (used in) provided by investing activities (64,448)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations  
Cash flows from financing activities:    
Proceeds from convertible bridge notes 0us-gaap_ProceedsFromConvertibleDebt 0us-gaap_ProceedsFromConvertibleDebt
Proceeds from issuance of notes payable 192,000us-gaap_ProceedsFromNotesPayable 7,252us-gaap_ProceedsFromNotesPayable
Principal payments on notes payable (247,006)us-gaap_RepaymentsOfNotesPayable  
Proceeds from issuance on common stock 10,305,161us-gaap_ProceedsFromIssuanceOfCommonStock  
Issuance costs incurred common stock financings (1,865,046)us-gaap_PaymentOfFinancingAndStockIssuanceCosts  
Net cash provided by financing activities 8,385,109us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations 127,252us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Net increase (decrease) in cash and cash equivalents 5,959,425us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease (239,463)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalent at beginning of the period 303,020us-gaap_CashAndCashEquivalentsAtCarryingValue 542,483us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalent at end of the period 6,262,445us-gaap_CashAndCashEquivalentsAtCarryingValue 303,020us-gaap_CashAndCashEquivalentsAtCarryingValue
Supplemental disclosure of cash flow information and non cash transactions:    
Conversion of notes payable, accrued interest and accounts payable into common stock and a warrant 396,000crbp_ConversionOfNotesPayableAccruedInterestAndAccountsPayableIntoCommonStockAndWarrant  
Reclassification of derivative warrant liability to equity 48,380crbp_ReclassificationOfDerivativeWarrantLiabilityToEquity  
Series A Convertible Preferred Stock [Member]    
Cash flows from financing activities:    
Proceeds from issuance of Series A convertible preferred stock   120,000us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock
/ us-gaap_StatementClassOfStockAxis
= crbp_SeriesAConvertiblePreferredStockMember
Supplemental disclosure of cash flow information and non cash transactions:    
Conversion of Series A preferred stock into common stock $ 1,108,609us-gaap_ConversionOfStockAmountConverted1
/ us-gaap_StatementClassOfStockAxis
= crbp_SeriesAConvertiblePreferredStockMember