| 
           Debts - Components of Notes Payable and Capital Leases (Details) (USD $)
  
         | 
        
           Mar. 31, 2015 
         | 
        
           Jun. 30, 2014 
         | 
      
      
        | Total | 
        
$ 2,711,829us-gaap_LoansPayable
 | 
         | 
        
$ 6,308,504us-gaap_LoansPayable
 | 
         | 
      
      
        | Current Maturities | 
        
2,513,562us-gaap_LoansPayableCurrent
 | 
         | 
        
5,311,367us-gaap_LoansPayableCurrent
 | 
         | 
      
      
        | Long-Term Maturities | 
        
198,267us-gaap_LongTermLoansPayable
 | 
         | 
        
997,137us-gaap_LongTermLoansPayable
 | 
         | 
      
      
        | Subsidiary Capital Leases, Current Maturities | 
        
(475,958)us-gaap_CapitalLeaseObligationsCurrent
 | 
         | 
         
 | 
         | 
      
      
        | Subsidiary Capital Leases, Long-Term Maturities | 
        
395,899us-gaap_CapitalLeaseObligationsNoncurrent
 | 
         | 
         
 | 
         | 
      
      
        | Total | 
        
3,583,686us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities
 | 
         | 
        
7,323,338us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities
 | 
         | 
      
      
        | Current Maturities | 
        
2,989,520us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent
 | 
         | 
        
5,791,258us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent
 | 
         | 
      
      
        | Long-Term Maturities | 
        
594,166us-gaap_LongTermDebtAndCapitalLeaseObligations
 | 
         | 
        
1,532,080us-gaap_LongTermDebtAndCapitalLeaseObligations
 | 
         | 
      
      
        | D and O Insurance [Member] | 
         
 | 
         | 
         
 | 
         | 
      
      
        | Total | 
        
130,283us-gaap_LoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_DAndOInsuranceMember
 | 
        [1] | 
        
54,547us-gaap_LoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_DAndOInsuranceMember
 | 
        [1] | 
      
      
        | Current Maturities | 
        
130,283us-gaap_LoansPayableCurrent / us-gaap_LongtermDebtTypeAxis = ntwk_DAndOInsuranceMember
 | 
        [1] | 
        
54,547us-gaap_LoansPayableCurrent / us-gaap_LongtermDebtTypeAxis = ntwk_DAndOInsuranceMember
 | 
        [1] | 
      
      
        | Long-Term Maturities | 
          
 | 
        [1] | 
          
 | 
        [1] | 
      
      
        | Habib Bank Line of Credit [Member] | 
         
 | 
         | 
         
 | 
         | 
      
      
        | Total | 
          
 | 
        [2] | 
        
2,438,844us-gaap_LoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_HabibBankLineOfCreditMember
 | 
        [2] | 
      
      
        | Current Maturities | 
          
 | 
        [2] | 
        
2,438,844us-gaap_LoansPayableCurrent / us-gaap_LongtermDebtTypeAxis = ntwk_HabibBankLineOfCreditMember
 | 
        [2] | 
      
      
        | Long-Term Maturities | 
          
 | 
        [2] | 
          
 | 
        [2] | 
      
      
        | Bank Overdraft Facility [Member] | 
         
 | 
         | 
         
 | 
         | 
      
      
        | Total | 
        
22,374us-gaap_LoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_BankOverdraftFacilityMember
 | 
        [3] | 
          
 | 
        [3] | 
      
      
        | Current Maturities | 
        
22,374us-gaap_LoansPayableCurrent / us-gaap_LongtermDebtTypeAxis = ntwk_BankOverdraftFacilityMember
 | 
        [3] | 
          
 | 
        [3] | 
      
      
        | Long-Term Maturities | 
          
 | 
        [3] | 
          
 | 
        [3] | 
      
      
        | HSBC Loan [Member] | 
         
 | 
         | 
         
 | 
         | 
      
      
        | Total | 
        
499,465us-gaap_LoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_HSBCLoanMember
 | 
        [4] | 
        
835,899us-gaap_LoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_HSBCLoanMember
 | 
        [4] | 
      
      
        | Current Maturities | 
        
301,198us-gaap_LoansPayableCurrent / us-gaap_LongtermDebtTypeAxis = ntwk_HSBCLoanMember
 | 
        [4] | 
        
346,138us-gaap_LoansPayableCurrent / us-gaap_LongtermDebtTypeAxis = ntwk_HSBCLoanMember
 | 
        [4] | 
      
      
        | Long-Term Maturities | 
        
198,267us-gaap_LongTermLoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_HSBCLoanMember
 | 
        [4] | 
        
489,761us-gaap_LongTermLoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_HSBCLoanMember
 | 
        [4] | 
      
      
        | Term Finance Facility [Member] | 
         
 | 
         | 
         
 | 
         | 
      
      
        | Total | 
          
 | 
        [5] | 
        
632,527us-gaap_LoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_TermFinanceFacilityMember
 | 
        [5] | 
      
      
        | Current Maturities | 
          
 | 
        [5] | 
        
253,011us-gaap_LoansPayableCurrent / us-gaap_LongtermDebtTypeAxis = ntwk_TermFinanceFacilityMember
 | 
        [5] | 
      
      
        | Long-Term Maturities | 
          
 | 
        [5] | 
        
379,516us-gaap_LongTermLoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_TermFinanceFacilityMember
 | 
        [5] | 
      
      
        | Loan Payable Bank [Member] | 
         
 | 
         | 
         
 | 
         | 
      
      
        | Total | 
        
1,940,052us-gaap_LoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_LoanPayableBankMember
 | 
        [6] | 
        
2,024,087us-gaap_LoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_LoanPayableBankMember
 | 
        [6] | 
      
      
        | Current Maturities | 
        
1,940,052us-gaap_LoansPayableCurrent / us-gaap_LongtermDebtTypeAxis = ntwk_LoanPayableBankMember
 | 
        [6] | 
        
2,024,087us-gaap_LoansPayableCurrent / us-gaap_LongtermDebtTypeAxis = ntwk_LoanPayableBankMember
 | 
        [6] | 
      
      
        | Long-Term Maturities | 
          
 | 
        [6] | 
          
 | 
        [6] | 
      
      
        | Loan From Related Party [Member] | 
         
 | 
         | 
         
 | 
         | 
      
      
        | Total | 
        
119,655us-gaap_LoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_LoanFromRelatedPartyMember
 | 
        [7] | 
        
322,600us-gaap_LoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_LoanFromRelatedPartyMember
 | 
        [7] | 
      
      
        | Current Maturities | 
        
119,655us-gaap_LoansPayableCurrent / us-gaap_LongtermDebtTypeAxis = ntwk_LoanFromRelatedPartyMember
 | 
        [7] | 
        
194,740us-gaap_LoansPayableCurrent / us-gaap_LongtermDebtTypeAxis = ntwk_LoanFromRelatedPartyMember
 | 
        [7] | 
      
      
        | Long-Term Maturities | 
          
 | 
        [7] | 
        
127,860us-gaap_LongTermLoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_LoanFromRelatedPartyMember
 | 
        [7] | 
      
      
        | Subsidiary Capital Leases [Member] | 
         
 | 
         | 
         
 | 
         | 
      
      
        | Subsidiary Capital Leases, Total | 
        
871,857us-gaap_CapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = ntwk_SubsidiaryCapitalLeasesMember
 | 
        [8] | 
        
1,014,834us-gaap_CapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = ntwk_SubsidiaryCapitalLeasesMember
 | 
        [8] | 
      
      
        | Subsidiary Capital Leases, Current Maturities | 
        
475,958us-gaap_CapitalLeaseObligationsCurrent / us-gaap_LongtermDebtTypeAxis = ntwk_SubsidiaryCapitalLeasesMember
 | 
        [8] | 
        
479,891us-gaap_CapitalLeaseObligationsCurrent / us-gaap_LongtermDebtTypeAxis = ntwk_SubsidiaryCapitalLeasesMember
 | 
        [8] | 
      
      
        | Subsidiary Capital Leases, Long-Term Maturities | 
        
$ 395,899us-gaap_CapitalLeaseObligationsNoncurrent / us-gaap_LongtermDebtTypeAxis = ntwk_SubsidiaryCapitalLeasesMember
 | 
        [8] | 
        
$ 534,943us-gaap_CapitalLeaseObligationsNoncurrent / us-gaap_LongtermDebtTypeAxis = ntwk_SubsidiaryCapitalLeasesMember
 | 
        [8] | 
      
      
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