Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Details Narrative)

v2.4.1.9
Related Party Transactions (Details Narrative) (USD $)
6 Months Ended 3 Months Ended 0 Months Ended 6 Months Ended
Oct. 31, 2014
Oct. 31, 2013
Oct. 31, 2013
Oct. 31, 2014
Dec. 14, 2011
integer
Apr. 30, 2014
Related Party Transactions (Textual) [Abstract]            
Repayment of Note    $ 700,000us-gaap_RepaymentsOfRelatedPartyDebt        
Gain on the sale of assets (35,831)us-gaap_SaleLeasebackTransactionCurrentPeriodGainRecognized           
Other liabilities 214,995us-gaap_OtherLiabilitiesNoncurrent     214,995us-gaap_OtherLiabilitiesNoncurrent   250,826us-gaap_OtherLiabilitiesNoncurrent
Leaseback Agreement with Mr. Sheerr            
Related Party Transactions (Textual) [Abstract]            
Sale-leaseback transaction date     2013-10-31      
Leaseback assets     Equipment and furniture was sold to David Sheer on October 31, 2013      
Terms of lease     The lease is for a term of 60 months and the Company is obligated to pay approximately $7,500 per month for the term of the lease. The Company has an option to extend the lease for an additional two year period.      
Gain on the sale of assets     139,000us-gaap_SaleLeasebackTransactionCurrentPeriodGainRecognized
/ us-gaap_SaleLeasebackTransactionDescriptionAxis
= DRAM_LeasebackAgreementMember
     
Sale leaseback deferred gain, net 72,000us-gaap_SaleLeasebackTransactionDeferredGainNet
/ us-gaap_SaleLeasebackTransactionDescriptionAxis
= DRAM_LeasebackAgreementMember
322,000us-gaap_SaleLeasebackTransactionDeferredGainNet
/ us-gaap_SaleLeasebackTransactionDescriptionAxis
= DRAM_LeasebackAgreementMember
322,000us-gaap_SaleLeasebackTransactionDeferredGainNet
/ us-gaap_SaleLeasebackTransactionDescriptionAxis
= DRAM_LeasebackAgreementMember
72,000us-gaap_SaleLeasebackTransactionDeferredGainNet
/ us-gaap_SaleLeasebackTransactionDescriptionAxis
= DRAM_LeasebackAgreementMember
  72,000us-gaap_SaleLeasebackTransactionDeferredGainNet
/ us-gaap_SaleLeasebackTransactionDescriptionAxis
= DRAM_LeasebackAgreementMember
Other liabilities 215,000us-gaap_OtherLiabilitiesNoncurrent
/ us-gaap_SaleLeasebackTransactionDescriptionAxis
= DRAM_LeasebackAgreementMember
    215,000us-gaap_OtherLiabilitiesNoncurrent
/ us-gaap_SaleLeasebackTransactionDescriptionAxis
= DRAM_LeasebackAgreementMember
  250,000us-gaap_OtherLiabilitiesNoncurrent
/ us-gaap_SaleLeasebackTransactionDescriptionAxis
= DRAM_LeasebackAgreementMember
Sheerr Memory            
Related Party Transactions (Textual) [Abstract]            
Purchase of inventories for resale 773,000us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= DRAM_SheerrMemoryMember
1,464,000us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= DRAM_SheerrMemoryMember
606,000us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= DRAM_SheerrMemoryMember
299,000us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= DRAM_SheerrMemoryMember
   
Accounts payable 246,000us-gaap_AccountsPayableRelatedPartiesCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= DRAM_SheerrMemoryMember
    246,000us-gaap_AccountsPayableRelatedPartiesCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= DRAM_SheerrMemoryMember
  271,000us-gaap_AccountsPayableRelatedPartiesCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= DRAM_SheerrMemoryMember
Creditor trade cycle term       30 days    
Keystone Memory Group            
Related Party Transactions (Textual) [Abstract]            
Purchase of inventories for resale 526,000us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= DRAM_KeystoneMemoryMember
337,000us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= DRAM_KeystoneMemoryMember
166,000us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= DRAM_KeystoneMemoryMember
270,000us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= DRAM_KeystoneMemoryMember
   
Accounts payable 107,000us-gaap_AccountsPayableRelatedPartiesCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= DRAM_KeystoneMemoryMember
    107,000us-gaap_AccountsPayableRelatedPartiesCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= DRAM_KeystoneMemoryMember
  27,000us-gaap_AccountsPayableRelatedPartiesCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= DRAM_KeystoneMemoryMember
David Sheerr | Note and Security Agreement            
Related Party Transactions (Textual) [Abstract]            
Maximum secured financing under agreement         2,000,000DRAM_SecuredFinancingMaximumBorrowingCapacity
/ us-gaap_DebtInstrumentAxis
= DRAM_NoteAndSecurityAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ExecutiveOfficerMember
 
Frequency of periodic payment         Monthly  
Interest rate terms         The Company is obligated to pay monthly, interest equal to 10% per annum calculated on a 360 day year of the outstanding loan rbalance.  
Number of installments         60DRAM_NumberOfInstallments
/ us-gaap_DebtInstrumentAxis
= DRAM_NoteAndSecurityAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ExecutiveOfficerMember
 
Date of first required payment, principal amount         Jul. 15, 2012  
Amount borrowed under agreement         2,000,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= DRAM_NoteAndSecurityAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ExecutiveOfficerMember
 
Principal amount due per month         33,333us-gaap_DebtInstrumentPeriodicPaymentPrincipal
/ us-gaap_DebtInstrumentAxis
= DRAM_NoteAndSecurityAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ExecutiveOfficerMember
 
David Sheerr | Amended and Restated Note and Security Agreement            
Related Party Transactions (Textual) [Abstract]            
Frequency of periodic payment     Monthly      
Interest rate terms     The Company is obligated to pay monthly, interest equal to 10% per annum calculated on a 360 day year of the outstanding loan balance.      
Number of installments   29DRAM_NumberOfInstallments
/ us-gaap_DebtInstrumentAxis
= DRAM_AmendedNoteAndSecurityAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ExecutiveOfficerMember
29DRAM_NumberOfInstallments
/ us-gaap_DebtInstrumentAxis
= DRAM_AmendedNoteAndSecurityAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ExecutiveOfficerMember
     
Date of first required payment, principal amount     Nov. 15, 2013      
Repayment of Note     500,000us-gaap_RepaymentsOfRelatedPartyDebt
/ us-gaap_DebtInstrumentAxis
= DRAM_AmendedNoteAndSecurityAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ExecutiveOfficerMember
    966,667us-gaap_RepaymentsOfRelatedPartyDebt
/ us-gaap_DebtInstrumentAxis
= DRAM_AmendedNoteAndSecurityAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ExecutiveOfficerMember
Reduced note balance   966,667us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent
/ us-gaap_DebtInstrumentAxis
= DRAM_AmendedNoteAndSecurityAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ExecutiveOfficerMember
966,667us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent
/ us-gaap_DebtInstrumentAxis
= DRAM_AmendedNoteAndSecurityAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ExecutiveOfficerMember
     
Principal amount due per month     33,333us-gaap_DebtInstrumentPeriodicPaymentPrincipal
/ us-gaap_DebtInstrumentAxis
= DRAM_AmendedNoteAndSecurityAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ExecutiveOfficerMember
     
Monthly Payment Date     15th day of each month      
Sale leaseback transaction     $ 500,000us-gaap_SaleLeasebackTransactionGrossProceedsFinancingActivities
/ us-gaap_DebtInstrumentAxis
= DRAM_AmendedNoteAndSecurityAgreementMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ExecutiveOfficerMember