Annual report pursuant to Section 13 and 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 $)
12 Months Ended
Mar. 31, 2015
Employee Stock Ownership Plan E S O P Disclosures [Line Items]  
Options Outstanding, Number of Shares 5,789,758us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
Options Exercisable, Number of Shares 1,987,525us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
$0.00 - 0.50  
Employee Stock Ownership Plan E S O P Disclosures [Line Items]  
Range of Exercise Price, lower limit $ 0.00us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceOneMember
Range of Exercise Price, upper limit $ 0.50us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceOneMember
Options Outstanding, Number of Shares 8,065us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceOneMember
Options Outstanding, Weighted Average Exercise Price $ 0.24us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceOneMember
Options Outstanding, Weighted Average Remaining Life (Years) 4 years 11 months 27 days
Options Exercisable, Number of Shares 8,065us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceOneMember
Options Exercisable, Weighted Average Exercise Price $ 0.24us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceOneMember
$0.51 - 1.00  
Employee Stock Ownership Plan E S O P Disclosures [Line Items]  
Range of Exercise Price, lower limit $ 0.51us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceTwoMember
Range of Exercise Price, upper limit $ 1.00us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceTwoMember
Options Outstanding, Number of Shares 237,891us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceTwoMember
Options Outstanding, Weighted Average Exercise Price $ 0.65us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceTwoMember
Options Outstanding, Weighted Average Remaining Life (Years) 7 years 5 months 27 days
Options Exercisable, Number of Shares 158,685us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceTwoMember
Options Exercisable, Weighted Average Exercise Price $ 0.64us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceTwoMember
$2.01 - 2.50  
Employee Stock Ownership Plan E S O P Disclosures [Line Items]  
Range of Exercise Price, lower limit $ 2.01us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceThreeMember
Range of Exercise Price, upper limit $ 2.50us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceThreeMember
Options Outstanding, Number of Shares 153,776us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceThreeMember
Options Outstanding, Weighted Average Exercise Price $ 2.40us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceThreeMember
Options Outstanding, Weighted Average Remaining Life (Years) 2 years 10 months 2 days
Options Exercisable, Number of Shares 153,776us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceThreeMember
Options Exercisable, Weighted Average Exercise Price $ 2.40us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceThreeMember
$2.51 - 3.00  
Employee Stock Ownership Plan E S O P Disclosures [Line Items]  
Range of Exercise Price, lower limit $ 2.51us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFourMember
Range of Exercise Price, upper limit $ 3.00us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFourMember
Options Outstanding, Number of Shares 939,831us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFourMember
Options Outstanding, Weighted Average Exercise Price $ 2.68us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFourMember
Options Outstanding, Weighted Average Remaining Life (Years) 8 years 6 months 22 days
Options Exercisable, Number of Shares 577,560us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFourMember
Options Exercisable, Weighted Average Exercise Price $ 2.68us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFourMember
$3.51 - 4.00  
Employee Stock Ownership Plan E S O P Disclosures [Line Items]  
Range of Exercise Price, lower limit $ 3.51us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFiveMember
Range of Exercise Price, upper limit $ 4.00us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFiveMember
Options Outstanding, Number of Shares 2,205,465us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFiveMember
Options Outstanding, Weighted Average Exercise Price $ 3.95us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFiveMember
Options Outstanding, Weighted Average Remaining Life (Years) 9 years 7 months 2 days
Options Exercisable, Number of Shares 229,628us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFiveMember
Options Exercisable, Weighted Average Exercise Price $ 3.96us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceFiveMember
$4.01 - 4.50  
Employee Stock Ownership Plan E S O P Disclosures [Line Items]  
Range of Exercise Price, lower limit $ 4.01us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSixMember
Range of Exercise Price, upper limit $ 4.50us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSixMember
Options Outstanding, Number of Shares 1,714,730us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSixMember
Options Outstanding, Weighted Average Exercise Price $ 4.22us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSixMember
Options Outstanding, Weighted Average Remaining Life (Years) 8 years 6 months 22 days
Options Exercisable, Number of Shares 399,811us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSixMember
Options Exercisable, Weighted Average Exercise Price $ 4.23us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSixMember
$4.51 - 5.00  
Employee Stock Ownership Plan E S O P Disclosures [Line Items]  
Range of Exercise Price, lower limit $ 4.51us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSevenMember
Range of Exercise Price, upper limit $ 5.00us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSevenMember
Options Outstanding, Number of Shares 60,000us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSevenMember
Options Outstanding, Weighted Average Exercise Price $ 4.65us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSevenMember
Options Outstanding, Weighted Average Remaining Life (Years) 7 years 11 months 27 days
Options Exercisable, Number of Shares 40,000us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSevenMember
Options Exercisable, Weighted Average Exercise Price $ 4.65us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceSevenMember
$5.01 and over  
Employee Stock Ownership Plan E S O P Disclosures [Line Items]  
Exercise Price $ 5.01us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceEightMember
Options Outstanding, Number of Shares 470,000us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceEightMember
Options Outstanding, Weighted Average Exercise Price $ 16.32us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceEightMember
Options Outstanding, Weighted Average Remaining Life (Years) 3 years 9 months 7 days
Options Exercisable, Number of Shares 420,000us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceEightMember
Options Exercisable, Weighted Average Exercise Price $ 17.56us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_FinancialInstrumentAxis
= apps_ExercisePriceEightMember