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Warrants - Additional Information (Detail) (USD $)
1 Months Ended 12 Months Ended
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Class of Warrant or Right [Line Items]      
Cash proceeds from exercise of warrants $ 3,393us-gaap_ProceedsFromIssuanceOfWarrants    
Fair value of warrants exercise 412,038us-gaap_WarrantsNotSettleableInCashFairValueDisclosure    
Warrants exercised $ 415,431aqxp_StockIssuedDuringPeriodWarrantsExercisedValue    
Warrants exercised date Dec. 23, 2013    
Series C Preferred Stock [Member]      
Class of Warrant or Right [Line Items]      
Number of shares issued for purchase of warrants 17,671us-gaap_TemporaryEquitySharesIssued
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesCPreferredStockMember
0us-gaap_TemporaryEquitySharesIssued
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesCPreferredStockMember
1,343,424us-gaap_TemporaryEquitySharesIssued
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesCPreferredStockMember
Warrants exercise price $ 0.19us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesCPreferredStockMember
   
Common stock warrants [Member]      
Class of Warrant or Right [Line Items]      
Expected volatility   100.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
 
Expected term (years)   8 years 9 months 22 days  
Risk free rate   2.00%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember