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Consolidated Statements of Changes in Stockholders’ Deficit (USD $)
12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Beginning Balance $ (661,471)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest $ (470,757)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest  
Conversion of convertible notes payable 252,272us-gaap_DebtConversionOriginalDebtAmount1 2,271,318us-gaap_DebtConversionOriginalDebtAmount1  
Stock issued for consulting fees 1,140,422us-gaap_StockIssuedDuringPeriodValueIssuedForServices 1,151,348us-gaap_StockIssuedDuringPeriodValueIssuedForServices  
Exercise of detachable warrants - Cash 14,691drop_StockIssuedDuringPeriodValueConversionOfDetachableWarrantsCash 2,584,627drop_StockIssuedDuringPeriodValueConversionOfDetachableWarrantsCash  
Exchange of warrants and inducement 650,616drop_StockIssuedDuringPeriodValueExchangeOfWarrants     
Stock Option Exercise   270,825us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised  
Stock Option Exercise (Shares)       
Exercise of detachable warrants – Non-cash       
Transfer from derivatives to equity 3,234,604drop_AdjustmentsToAdditionalPaidInCapitalTransferFromDerivativesToEquity 11,298,361drop_AdjustmentsToAdditionalPaidInCapitalTransferFromDerivativesToEquity  
Amortization of stock options 811,486drop_IntrinsicValueOfStockOptionsAmortized 3,601,160drop_IntrinsicValueOfStockOptionsAmortized  
Equity based offering costs (49,088)drop_AdjustmentsToAdditionalPaidInCapitalEquityBasedOfferingCosts    
Net loss (7,695,607)us-gaap_ProfitLoss (21,368,353)us-gaap_ProfitLoss  
Ending Balance (2,302,075)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest (661,471)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest  
Common Stock      
Beginning Balance       
Ending Balance         
Ending Balance (Shares)       
Preferred Stock      
Beginning Balance 1,385us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
823us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
 
Beginning Balance (in shares) 1,384,721us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
825,301us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
 
Conversion of convertible notes payable 245us-gaap_DebtConversionOriginalDebtAmount1
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
121us-gaap_DebtConversionOriginalDebtAmount1
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
 
Conversion of convertible notes payable (Shares) 245,150us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
120,638us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
 
Stock issued for consulting fees 178us-gaap_StockIssuedDuringPeriodValueIssuedForServices
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
26us-gaap_StockIssuedDuringPeriodValueIssuedForServices
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
 
Stock issued for consulting fees (Shares) 178,225us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
26,000us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
 
Exercise of detachable warrants - Cash 1drop_StockIssuedDuringPeriodValueConversionOfDetachableWarrantsCash
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
163drop_StockIssuedDuringPeriodValueConversionOfDetachableWarrantsCash
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
 
Exercise of detachable warrants - Cash (Shares) 1,336drop_StockIssuedDuringPeriodSharesConversionOfDetachableWarrantsCash
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
163,064drop_StockIssuedDuringPeriodSharesConversionOfDetachableWarrantsCash
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
 
Exchange of warrants and inducement 529drop_StockIssuedDuringPeriodValueExchangeOfWarrants
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
234drop_StockIssuedDuringPeriodValueExchangeOfWarrants
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
 
Exchange of warrants and inducement (Shares) 528,645drop_StockIssuedDuringPeriodSharesExchangeOfWarrants
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
233,646drop_StockIssuedDuringPeriodSharesExchangeOfWarrants
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
 
Stock Option Exercise   13us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
 
Stock Option Exercise (Shares)   13,277us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
 
Exercise of detachable warrants – Non-cash   5drop_ExerciseOfDetachableWarrantsNoncash
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
 
Exercise of detachable warrants – Non-cash (Shares)   4,595drop_ExerciseOfDetachableWarrantsNoncashShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
 
Ending Balance 2,338us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
1,385us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
 
Ending Balance (Shares) 2,338,077us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
1,384,721us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember
 
Additional Paid-In Capital      
Beginning Balance 43,945,885us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
22,768,808us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Conversion of convertible notes payable 252,027us-gaap_DebtConversionOriginalDebtAmount1
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
2,271,197us-gaap_DebtConversionOriginalDebtAmount1
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Stock issued for consulting fees 1,140,244us-gaap_StockIssuedDuringPeriodValueIssuedForServices
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
1,151,322us-gaap_StockIssuedDuringPeriodValueIssuedForServices
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Exercise of detachable warrants - Cash 14,690drop_StockIssuedDuringPeriodValueConversionOfDetachableWarrantsCash
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
2,584,464drop_StockIssuedDuringPeriodValueConversionOfDetachableWarrantsCash
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Exchange of warrants and inducement 650,087drop_StockIssuedDuringPeriodValueExchangeOfWarrants
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
(234)drop_StockIssuedDuringPeriodValueExchangeOfWarrants
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Stock Option Exercise   270,812us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Exercise of detachable warrants – Non-cash   (5)drop_ExerciseOfDetachableWarrantsNoncash
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Transfer from derivatives to equity 3,234,604drop_AdjustmentsToAdditionalPaidInCapitalTransferFromDerivativesToEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
11,298,361drop_AdjustmentsToAdditionalPaidInCapitalTransferFromDerivativesToEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Amortization of stock options 811,486drop_IntrinsicValueOfStockOptionsAmortized
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
3,601,160drop_IntrinsicValueOfStockOptionsAmortized
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Equity based offering costs (49,088)drop_AdjustmentsToAdditionalPaidInCapitalEquityBasedOfferingCosts
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
   
Net loss        
Ending Balance 49,999,935us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
43,945,885us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Noncontrolling Interest      
Beginning Balance     (126,344)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Ending Balance (126,344)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
(126,344)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
(126,344)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Accumulated Deficit      
Beginning Balance (44,482,397)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(23,114,044)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
 
Net loss (7,695,607)us-gaap_ProfitLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(21,368,353)us-gaap_ProfitLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
 
Ending Balance $ (52,178,004)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
$ (44,482,397)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember