Quarterly report pursuant to Section 13 or 15(d)

Stock options and warrants (Schedule of Fair Value Assumptions) (Details)

v2.4.1.9
Stock options and warrants (Schedule of Fair Value Assumptions) (Details) (Stock Incentive Plan [Member])
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Stock Incentive Plan [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Dividend yield 0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
/ us-gaap_PlanNameAxis
= appy_StockIncentivePlanMember
0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
/ us-gaap_PlanNameAxis
= appy_StockIncentivePlanMember
Expected price volatility 93.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
/ us-gaap_PlanNameAxis
= appy_StockIncentivePlanMember
 
Expected price volatility, minimum   96.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
/ us-gaap_PlanNameAxis
= appy_StockIncentivePlanMember
Expected price volatility, maximum   126.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
/ us-gaap_PlanNameAxis
= appy_StockIncentivePlanMember
Risk free interest rate 1.39%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
/ us-gaap_PlanNameAxis
= appy_StockIncentivePlanMember
 
Risk free interest rate, minimum   1.52%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
/ us-gaap_PlanNameAxis
= appy_StockIncentivePlanMember
Risk free interest rate, maximum   1.70%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
/ us-gaap_PlanNameAxis
= appy_StockIncentivePlanMember
Expected term 5 years 5 years