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INCOME TAXES (Details) (USD $)
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Dec. 31, 2014
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Dec. 31, 2013
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| Deferred tax assets: | ||
| Net operating loss carryforwards | $ 8,454,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | $ 8,581,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards |
| Options and warrants not yet deducted, for tax purposes | 420,000nssi_OptionsAndWarrantsNotYetDeductedForTaxPurposes | 1,149,000nssi_OptionsAndWarrantsNotYetDeductedForTaxPurposes |
| Gross deferred tax asset | 8,874,000us-gaap_DeferredTaxAssetsGross | 9,730,000us-gaap_DeferredTaxAssetsGross |
| Valuation allowance | (4,131,000)us-gaap_DeferredTaxAssetsValuationAllowance | (4,071,000)us-gaap_DeferredTaxAssetsValuationAllowance |
| Net deferred tax assets | $ 4,743,000us-gaap_DeferredTaxAssetsNet | $ 5,659,000us-gaap_DeferredTaxAssetsNet |
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- Definition
Options and warrants not yet deducted, for tax purposes. No definition available.
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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