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Derivatives (Details Narrative) (USD $)
1 Months Ended 6 Months Ended
Jun. 30, 2014
Mar. 31, 2015
Sep. 30, 2014
Fair value of preferred stock and warrants issued   $ 2,593,373us-gaap_EquityFairValueAdjustment  
Fair value of the full-rachet down-round provision of the preferred stock and warrants   97,402dalp_FairValueOfFullrachetDownroundProvisionOfPreferredStockAndWarrants  
Derivative liabilities   $ 2,690,775us-gaap_DerivativeLiabilitiesNoncurrent $ 2,819,739us-gaap_DerivativeLiabilitiesNoncurrent
Fair value, expected lives 4.25 (four-year vesting) and 3.75 (two-year vesting) years    
Fair value, risk-free rate 1.92%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate    
Fair value, stock price volatility 195.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate    
Convertible Preferred Stock      
Fair value, expected lives   Estimated conversion of all preferred shares within 14 months  
Fair value, risk-free rate   0.26%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
 
Fair value, stock price volatility   200.417%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
 
Warrant      
Fair value, expected lives   Two year term  
Fair value, risk-free rate   0.56%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
/ us-gaap_DerivativeByNatureAxis
= us-gaap_WarrantMember
 
Fair value, stock price volatility   160.82%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
/ us-gaap_DerivativeByNatureAxis
= us-gaap_WarrantMember