2.4.0.8060200 - Disclosure - INCOME TAXEStruefalsefalse1false falsefalsec20130201to20130731http://www.sec.gov/CIK0000110536duration2013-02-01T00:00:002013-07-31T00:00:001true 1us-gaap_IncomeTaxDisclosureAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Income Taxes [Abstract]2false 2us-gaap_IncomeTaxDisclosureTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00<div style="font-family: 'Times New Roman', Times, serif; font-size: 10pt;"><div style="text-align: justify;"><table cellpadding="0" cellspacing="0" class="DSPFListTable" style="width: 100%; font-family: 'Times New Roman', Times, serif; font-size: 10pt;"><tr><td style="width: 36pt; font-family: ''Times New Roman'', Times, serif; font-size: 10pt; vertical-align: top; align: right;">2.</td><td style="text-align: justify; width: auto; font-family: ''Times New Roman'', Times, serif; font-size: 10pt; vertical-align: top;">Income Taxes</td></tr></table></div><div><br /></div><div style="text-align: justify; font-family: ''Times New Roman'', Times, serif; margin-left: 36pt; font-size: 10pt;">Income taxes for the interim periods are computed using the effective tax rates estimated to be applicable for the full fiscal year, as adjusted for any discrete taxable events that occur during the period.</div><div><br /></div><div style="text-align: justify; font-family: ''Times New Roman'', Times, serif; margin-left: 36pt; font-size: 10pt;">The Company files income tax returns in the United States ("U.S.") on a federal basis and in many U.S. state and foreign jurisdictions. Certain tax years remain open to examination by the major taxing jurisdictions to which the Company is subject. The Company does not anticipate that its total unrecognized tax benefits or obligations will significantly change due to the settlement of examinations or the expiration of statutes of limitation during the next twelve months.</div></div>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 136, 172 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 43, 44, 45, 46, 47, 48, 49 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false0Income TaxesfalseINCOME TAXESUnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://nts.com/role/IncomeTaxes12