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           Property and Equipment - Summary of Fixed Assets Held Under Capital Leases (Details) (USD $) 
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           Mar. 31, 2015 
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           Jun. 30, 2014 
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| Capital Leased Assets [Line Items] | ||
| Fixed assets held under capital leases,Total | $ 1,914,014us-gaap_CapitalLeasedAssetsGross | $ 1,861,445us-gaap_CapitalLeasedAssetsGross | 
| Less: Accumulated Depreciation - Net | (585,074)us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation | (469,336)us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation | 
| Fixed assets held under capital leases, Net | 1,328,940us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet | 1,392,109us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet | 
| Computers Equipment [Member] | ||
| Capital Leased Assets [Line Items] | ||
| Fixed assets held under capital leases,Total | 
672,293us-gaap_CapitalLeasedAssetsGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = ntwk_ComputersEquipmentMember  | 
        
731,354us-gaap_CapitalLeasedAssetsGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = ntwk_ComputersEquipmentMember  | 
      
| Furniture and Fixtures [Member] | ||
| Capital Leased Assets [Line Items] | ||
| Fixed assets held under capital leases,Total | 
351,004us-gaap_CapitalLeasedAssetsGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_FurnitureAndFixturesMember  | 
        
280,184us-gaap_CapitalLeasedAssetsGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_FurnitureAndFixturesMember  | 
      
| Vehicles [Member] | ||
| Capital Leased Assets [Line Items] | ||
| Fixed assets held under capital leases,Total | 
$ 890,717us-gaap_CapitalLeasedAssetsGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_VehiclesMember  | 
        
$ 849,907us-gaap_CapitalLeasedAssetsGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_VehiclesMember  | 
      
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- Definition 
          Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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