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STOCK OPTIONS AND WARRANTS - Summary of value of options granted using Black Scholes Option Pricing Model with weighted average assumptions (Details) (USD $)
3 Months Ended 6 Months Ended
Mar. 31, 2015
Mar. 31, 2015
Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]    
Stock price $ 3.42apdn_SharePriceTwo $ 2.86apdn_SharePriceTwo
Exercise price $ 3.42apdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePriceTwo $ 2.86apdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePriceTwo
Expected term, years 6 years 1 month 13 days 4 years 10 months 28 days
Dividend yield      
Volatility 139.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate 132.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
Risk free rate 1.69%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate 1.59%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate