Quarterly report pursuant to Section 13 or 15(d)

EARNINGS (LOSS) PER SHARE (Details)

v2.4.1.9
EARNINGS (LOSS) PER SHARE (Details)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Earnings Loss Per Share Details    
Weighted-average common shares outstanding - basic 24,089,009us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 25,775,573us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Dilutive effect of options and warrants 1,411,894us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants 2,018,096us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants
Weighted-average common shares outstanding - diluted 25,500,903us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 27,793,669us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Options and warrants excluded from the computation of diluted income (loss) per share because the effect of inclusion would have been anti-dilutive 2,393,106nssi_OptionsAndWarrantsExcludedFromComputationOfDilutedIncomeLossPerShareBecauseEffectOfInclusionWouldHaveBeenAntidilutive 4,689,404nssi_OptionsAndWarrantsExcludedFromComputationOfDilutedIncomeLossPerShareBecauseEffectOfInclusionWouldHaveBeenAntidilutive