Quarterly report pursuant to Section 13 or 15(d)

Exercise Price for Options Outstanding and Options Exercisable (Detail)

v2.4.1.9
Exercise Price for Options Outstanding and Options Exercisable (Detail) (USD $)
9 Months Ended
Dec. 31, 2014
Employee Stock Ownership Plan E S O P Disclosures [Line Items]  
Options Outstanding, Number of Shares 3,655,548us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
Options Exercisable, Number of Shares 1,030,609us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
$2.50 - 2.75  
Employee Stock Ownership Plan E S O P Disclosures [Line Items]  
Range of Exercise Price, lower limit $ 2.50us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceOneMember
Range of Exercise Price, upper limit $ 2.75us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceOneMember
Options Outstanding, Number of Shares 911,000us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceOneMember
Options Outstanding, Weighted Average Exercise Price $ 2.61us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceOneMember
Options Outstanding, Weighted Average Remaining Life (Years) 8 years 9 months 22 days
Options Exercisable, Number of Shares 468,666us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceOneMember
Options Exercisable, Weighted Average Exercise Price $ 2.63us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceOneMember
Options Exercisable, Weighted Average Remaining Life (Years) 8 years 9 months 22 days
$2.76 - 2.85  
Employee Stock Ownership Plan E S O P Disclosures [Line Items]  
Range of Exercise Price, lower limit $ 2.76us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceTwoMember
Range of Exercise Price, upper limit $ 2.85us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceTwoMember
Options Outstanding, Number of Shares 358,764us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceTwoMember
Options Outstanding, Weighted Average Exercise Price $ 2.83us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceTwoMember
Options Outstanding, Weighted Average Remaining Life (Years) 8 years 9 months 4 days
Options Exercisable, Number of Shares 140,760us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceTwoMember
Options Exercisable, Weighted Average Exercise Price $ 2.83us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceTwoMember
Options Exercisable, Weighted Average Remaining Life (Years) 8 years 9 months 4 days
$3.85  
Employee Stock Ownership Plan E S O P Disclosures [Line Items]  
Exercise Price $ 3.85us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceThreeMember
Options Outstanding, Number of Shares 111,400us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceThreeMember
Options Outstanding, Weighted Average Exercise Price $ 3.85us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceThreeMember
Options Outstanding, Weighted Average Remaining Life (Years) 8 years 6 months 29 days
Options Exercisable, Number of Shares 52,411us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceThreeMember
Options Exercisable, Weighted Average Exercise Price $ 3.85us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceThreeMember
Options Exercisable, Weighted Average Remaining Life (Years) 8 years 6 months 29 days
$4.00  
Employee Stock Ownership Plan E S O P Disclosures [Line Items]  
Exercise Price $ 4.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFourMember
Options Outstanding, Number of Shares 667,799us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFourMember
Options Outstanding, Weighted Average Exercise Price $ 4.00us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFourMember
Options Outstanding, Weighted Average Remaining Life (Years) 9 years 2 months 23 days
Options Exercisable, Number of Shares 124,051us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFourMember
Options Exercisable, Weighted Average Exercise Price $ 4.00us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFourMember
Options Exercisable, Weighted Average Remaining Life (Years) 8 years 6 months 22 days
$4.05 - 4.11  
Employee Stock Ownership Plan E S O P Disclosures [Line Items]  
Range of Exercise Price, lower limit $ 4.05us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFiveMember
Range of Exercise Price, upper limit $ 4.11us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFiveMember
Options Outstanding, Number of Shares 588,000us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFiveMember
Options Outstanding, Weighted Average Exercise Price $ 4.10us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFiveMember
Options Outstanding, Weighted Average Remaining Life (Years) 9 years 4 months 21 days
Options Exercisable, Number of Shares 40,721us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFiveMember
Options Exercisable, Weighted Average Exercise Price $ 4.06us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFiveMember
Options Exercisable, Weighted Average Remaining Life (Years) 8 years 6 months 7 days
$4.23 - 4.5  
Employee Stock Ownership Plan E S O P Disclosures [Line Items]  
Range of Exercise Price, lower limit $ 4.23us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSixMember
Range of Exercise Price, upper limit $ 4.5us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSixMember
Options Outstanding, Number of Shares 908,585us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSixMember
Options Outstanding, Weighted Average Exercise Price $ 4.37us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSixMember
Options Outstanding, Weighted Average Remaining Life (Years) 9 years 1 month 13 days
Options Exercisable, Number of Shares 169,000us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSixMember
Options Exercisable, Weighted Average Exercise Price $ 4.46us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSixMember
Options Exercisable, Weighted Average Remaining Life (Years) 8 years 7 months 17 days
$4.65 - $5.89  
Employee Stock Ownership Plan E S O P Disclosures [Line Items]  
Range of Exercise Price, lower limit $ 4.65us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSevenMember
Range of Exercise Price, upper limit $ 5.89us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSevenMember
Options Outstanding, Number of Shares 110,000us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSevenMember
Options Outstanding, Weighted Average Exercise Price $ 5.21us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSevenMember
Options Outstanding, Weighted Average Remaining Life (Years) 8 years 10 months 24 days
Options Exercisable, Number of Shares 35,000us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSevenMember
Options Exercisable, Weighted Average Exercise Price $ 4.65us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSevenMember
Options Exercisable, Weighted Average Remaining Life (Years) 8 years 2 months 27 days