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Note 2 - Accounting Policies (Detail)	3 Months Ended
	Sep. 30, 2012
Percentage Probability Of Impairment Of Indefinite-Lived Asset	50.00%

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- Definition

Percentage Probability Of Impairment Of Indefinite-Lived Asset

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No definition available.

+ Details

Name:	ntwk_PercentageProbabilityOfImpairmentOfIndefiniteLivedAsset
Namespace Prefix:	ntwk_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration