Quarterly report pursuant to Section 13 or 15(d)

Stockholders' equity (Public Offerings) (Details)

v2.4.1.9
Stockholders' equity (Public Offerings) (Details) (USD $)
 1 Months Ended 3 Months Ended
Apr. 30, 2014
Mar. 31, 2015
Jun. 30, 2014
Mar. 31, 2014
Stockholders Equity [Line Items]        
Shares issued during period 8,335,000us-gaap_StockIssuedDuringPeriodSharesNewIssues      
Shares issued during period, price per share $ 2.40us-gaap_SharesIssuedPricePerShare      
Value of shares issued during period $ 20,000,000us-gaap_StockIssuedDuringPeriodValueNewIssues      
Cost of shares issued during period 1,543,000us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts      
Placement fee percentage 6.50%appy_PlacementFeePercentage      
Shares issued for warrants exercised   0us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities   1,161,570us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
Exercise price of warrants       $ 1.36us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Value of shares issued for warrants exercised       1,580,000us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities
Incentive stock options exercised to purchase common shares     39,079us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised  
Average exercise price     $ 2.09us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice  
Total proceeds from stock options exercised to purchase common shares     82,000us-gaap_ProceedsFromStockOptionsExercised  
Intrinsic value of stock options exercised to purchase common shares     $ 14,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue