Annual report pursuant to Section 13 and 15(d)

Description of Stock Plans - Additional Information (Detail)

v2.4.1.9
Description of Stock Plans - Additional Information (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
May 23, 2012
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Assumed through acquisitions, shares 246,000apps_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedThroughAcquisitionsInPeriod    
Assumed through acquisitions $ 0.64apps_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedThroughAcquisitionWeightedAverageExercisePrice    
Weighted Average Grant-Date Fair Value $ 3.44apps_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageGrantDateFairValue $ 3.33apps_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageGrantDateFairValue  
Total unrecognized stock base compensation expense $ 1,135us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized $ 885us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized  
Unvested stock options, weighted average period 1 year 7 months 6 days 1 year 10 months 24 days  
Maximum      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Option plan, term 10 years    
Stock Option Plan 2011      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Shares reserved for future issuance     20,000,000us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
/ us-gaap_PlanNameAxis
= apps_StockOptionPlanTwentyElevenMember
Number of shares available for issuance 14,393,741us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_PlanNameAxis
= apps_StockOptionPlanTwentyElevenMember
16,659,173us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_PlanNameAxis
= apps_StockOptionPlanTwentyElevenMember
 
Stock Incentive Plans | Minimum      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Option plan, term 3 years    
Stock Incentive Plans | Maximum      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Option plan, term 4 years