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Other Comprehensive Income and Foreign Currency (Details Narrative) (USD $)
3 Months Ended 9 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2015
Mar. 31, 2014
Jun. 30, 2014
Accumulated other comprehensive loss $ 15,669,755us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax   $ 15,669,755us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax   $ 14,979,223us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
Net Sol [Member]          
Comprehensive income (loss) $ 538,893us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
/ dei_LegalEntityAxis
= ntwk_NetSolMember
$ 3,380,051us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
/ dei_LegalEntityAxis
= ntwk_NetSolMember
$ 690,532us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
/ dei_LegalEntityAxis
= ntwk_NetSolMember
$ 798,540us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
/ dei_LegalEntityAxis
= ntwk_NetSolMember