2.4.0.8128 - Disclosure - COMMON STOCK WARRANTS (Details Textual)truefalsefalse1false falsefalseP05_01_2013To05_31_2013http://www.sec.gov/CIK0001333763duration2013-05-01T00:00:002013-05-31T00:00:00sharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli02false falsefalseP03_01_2013To03_31_2013http://www.sec.gov/CIK0001333763duration2013-03-01T00:00:002013-03-31T00:00:00sharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli03false falsefalseP02_01_2013To02_28_2013http://www.sec.gov/CIK0001333763duration2013-02-01T00:00:002013-02-28T00:00:00sharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli04false USDfalsefalse$P02_01_2012To02_29_2012http://www.sec.gov/CIK0001333763duration2012-02-01T00:00:002012-02-29T00:00:00sharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USD_per_ShareDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$5false 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warrants to purchase common stock which has been expired during the period.No definition available.false1Unexercised Warrants To Purchase Common Stock Expired2false 4us-gaap_EquityIssuancePerShareAmountus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5truefalsefalse2.792.79USD$falsetruefalse6truefalsefalse4.314.31USD$falsetruefalsenum:perShareItemTypedecimalAmount per share or per unit assigned to the consideration received of equity securities issued for development stage entities.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 915 -SubTopic 215 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6472370&loc=d3e38297-110927 false3Development Stage Entities, Equity Issuance, Per Share Amount3false 4chtp_WarrantsIssuedToPurchaseCommonStockShareschtp_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5truefalsefalse23450002345000falsefalsefalse6truefalsefalse716666716666falsefalsefalsexbrli:sharesItemTypesharesNumber of warrants issued to purchase common stock shares.No definition available.false1Warrants Issued To Purchase Common Stock Shares4false 4chtp_WarrantsExercisedDuringPeriodchtp_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse5700057000falsefalsefalse5truefalsefalse10582361058236falsefalsefalse6truefalsefalse229900229900falsefalsefalsexbrli:sharesItemTypesharesThe number of share warrants exercised during the periodNo definition available.false1Warrants Exercised During Period5false 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