| 
           Debts - Components of Notes Payable and Capital Leases (Details) (USD $)
  
         | 
        
           Dec. 31, 2014 
         | 
        
           Jun. 30, 2014 
         | 
      
| Total | 
        
$ 3,416,145us-gaap_LoansPayable
 | 
         | 
        
$ 6,308,504us-gaap_LoansPayable
 | 
         | 
      
| Current Maturities | 
        
2,766,934us-gaap_LoansPayableCurrent
 | 
         | 
        
5,311,367us-gaap_LoansPayableCurrent
 | 
         | 
      
| Long-Term Maturities | 
        
649,211us-gaap_LongTermLoansPayable
 | 
         | 
        
997,137us-gaap_LongTermLoansPayable
 | 
         | 
      
| Subsidiary Capital Leases, Current Maturities | 
        
(450,463)us-gaap_CapitalLeaseObligationsCurrent
 | 
         | 
         
 | 
         | 
      
| Subsidiary Capital Leases, Long-Term Maturities | 
        
433,099us-gaap_CapitalLeaseObligationsNoncurrent
 | 
         | 
         
 | 
         | 
      
| Total | 
        
4,299,707us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities
 | 
         | 
        
7,323,338us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities
 | 
         | 
      
| Current Maturities | 
        
3,217,397us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent
 | 
         | 
        
5,791,258us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent
 | 
         | 
      
| Long-Term Maturities | 
        
1,082,310us-gaap_LongTermDebtAndCapitalLeaseObligations
 | 
         | 
        
1,532,080us-gaap_LongTermDebtAndCapitalLeaseObligations
 | 
         | 
      
| D and O Insurance [Member] | 
         
 | 
         | 
         
 | 
         | 
      
| Total | 
        
106,690us-gaap_LoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_DAndOInsuranceMember
 | 
        [1] | 
        
54,547us-gaap_LoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_DAndOInsuranceMember
 | 
        [1] | 
      
| Current Maturities | 
        
106,690us-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 | 
          
 | 
        [3] | 
          
 | 
        [3] | 
      
| Current Maturities | 
          
 | 
        [3] | 
          
 | 
        [3] | 
      
| Long-Term Maturities | 
          
 | 
        [3] | 
          
 | 
        [3] | 
      
| HSBC Loan [Member] | 
         
 | 
         | 
         
 | 
         | 
      
| Total | 
        
603,373us-gaap_LoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_HSBCLoanMember
 | 
        [4] | 
        
835,899us-gaap_LoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_HSBCLoanMember
 | 
        [4] | 
      
| Current Maturities | 
        
321,747us-gaap_LoansPayableCurrent / us-gaap_LongtermDebtTypeAxis = ntwk_HSBCLoanMember
 | 
        [4] | 
        
346,138us-gaap_LoansPayableCurrent / us-gaap_LongtermDebtTypeAxis = ntwk_HSBCLoanMember
 | 
        [4] | 
      
| Long-Term Maturities | 
        
281,626us-gaap_LongTermLoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_HSBCLoanMember
 | 
        [4] | 
        
489,761us-gaap_LongTermLoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_HSBCLoanMember
 | 
        [4] | 
      
| Term Finance Facility [Member] | 
         
 | 
         | 
         
 | 
         | 
      
| Total | 
        
490,586us-gaap_LoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_TermFinanceFacilityMember
 | 
        [5] | 
        
632,527us-gaap_LoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_TermFinanceFacilityMember
 | 
        [5] | 
      
| Current Maturities | 
        
245,293us-gaap_LoansPayableCurrent / us-gaap_LongtermDebtTypeAxis = ntwk_TermFinanceFacilityMember
 | 
        [5] | 
        
253,011us-gaap_LoansPayableCurrent / us-gaap_LongtermDebtTypeAxis = ntwk_TermFinanceFacilityMember
 | 
        [5] | 
      
| Long-Term Maturities | 
        
245,293us-gaap_LongTermLoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_TermFinanceFacilityMember
 | 
        [5] | 
        
379,516us-gaap_LongTermLoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_TermFinanceFacilityMember
 | 
        [5] | 
      
| Loan Payable Bank [Member] | 
         
 | 
         | 
         
 | 
         | 
      
| Total | 
        
1,962,343us-gaap_LoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_LoanPayableBankMember
 | 
        [6] | 
        
2,024,087us-gaap_LoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_LoanPayableBankMember
 | 
        [6] | 
      
| Current Maturities | 
        
1,962,343us-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 | 
        
253,153us-gaap_LoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_LoanFromRelatedPartyMember
 | 
        [7] | 
        
322,600us-gaap_LoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_LoanFromRelatedPartyMember
 | 
        [7] | 
      
| Current Maturities | 
        
130,861us-gaap_LoansPayableCurrent / us-gaap_LongtermDebtTypeAxis = ntwk_LoanFromRelatedPartyMember
 | 
        [7] | 
        
194,740us-gaap_LoansPayableCurrent / us-gaap_LongtermDebtTypeAxis = ntwk_LoanFromRelatedPartyMember
 | 
        [7] | 
      
| Long-Term Maturities | 
        
122,292us-gaap_LongTermLoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_LoanFromRelatedPartyMember
 | 
        [7] | 
        
127,860us-gaap_LongTermLoansPayable / us-gaap_LongtermDebtTypeAxis = ntwk_LoanFromRelatedPartyMember
 | 
        [7] | 
      
| Subsidiary Capital Leases [Member] | 
         
 | 
         | 
         
 | 
         | 
      
| Subsidiary Capital Leases, Total | 
        
883,562us-gaap_CapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = ntwk_SubsidiaryCapitalLeasesMember
 | 
        [8] | 
        
1,014,834us-gaap_CapitalLeaseObligations / us-gaap_LongtermDebtTypeAxis = ntwk_SubsidiaryCapitalLeasesMember
 | 
        [8] | 
      
| Subsidiary Capital Leases, Current Maturities | 
        
450,463us-gaap_CapitalLeaseObligationsCurrent / us-gaap_LongtermDebtTypeAxis = ntwk_SubsidiaryCapitalLeasesMember
 | 
        [8] | 
        
479,891us-gaap_CapitalLeaseObligationsCurrent / us-gaap_LongtermDebtTypeAxis = ntwk_SubsidiaryCapitalLeasesMember
 | 
        [8] | 
      
| Subsidiary Capital Leases, Long-Term Maturities | 
        
$ 433,099us-gaap_CapitalLeaseObligationsNoncurrent / us-gaap_LongtermDebtTypeAxis = ntwk_SubsidiaryCapitalLeasesMember
 | 
        [8] | 
        
$ 534,943us-gaap_CapitalLeaseObligationsNoncurrent / us-gaap_LongtermDebtTypeAxis = ntwk_SubsidiaryCapitalLeasesMember
 | 
        [8] | 
      
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