2.4.0.8168 - Disclosure - Warrants Issued and Outstanding (Detail)truefalsefalse1false USDfalsefalse$P01_01_2013To06_30_2013http://www.sec.gov/CIK0001399521duration2013-01-01T00:00:002013-06-30T00:00:00sharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USD_per_ShareDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$1true 4us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForwardus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Warrants Outstanding Number of underlying shares2false 5liwa_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingNumberliwa_falsenainstantfalsefalsefalsefalsefalsetruefalsefalseperiodStartLabel1truefalsefalse283956283956falsefalsefalsexbrli:sharesItemTypesharesShare Based Compensation Arrangement By Share Based 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