2.4.0.800000038 - Disclosure - WARRANTY RESERVE (Tables)truefalsefalse1false falsefalseFrom2013-03-01to2013-05-31http://www.sec.gov/CIK0001084597duration2013-03-01T00:00:002013-05-31T00:00:001true 1XPWR_NotesToFinancialStatementsAbstractXPWR_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Notes to Financial Statements2false 2XPWR_ScheduleOfEstimatedFutureWarrantyCostsTableTextBlockXPWR_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00  <table cellspacing="0" cellpadding="0" align="center" style="width: 40%; border-collapse: collapse; font-size: 10pt"> <tr style="background-color: rgb(204,238,204); vertical-align: bottom"> <td nowrap="nowrap" style="text-align: right; padding-left: 5.4pt; width: 80%; padding-right: 5.4pt">Year 1</td> <td nowrap="nowrap" style="text-align: right; padding-left: 5.4pt; width: 20%; padding-right: 5.4pt">0.1%</td></tr> <tr style="background-color: white; vertical-align: bottom"> <td nowrap="nowrap" style="text-align: right; padding-left: 5.4pt; padding-right: 5.4pt">Year 2</td> <td nowrap="nowrap" style="text-align: right; padding-left: 5.4pt; padding-right: 5.4pt">0.3%</td></tr> <tr style="background-color: rgb(204,238,204); vertical-align: bottom"> <td nowrap="nowrap" style="text-align: right; padding-left: 5.4pt; padding-right: 5.4pt">Year 3</td> <td nowrap="nowrap" style="text-align: right; padding-left: 5.4pt; padding-right: 5.4pt">0.4%</td></tr> <tr style="background-color: white; vertical-align: bottom"> <td nowrap="nowrap" style="text-align: right; padding-left: 5.4pt; padding-right: 5.4pt">Year 4</td> <td nowrap="nowrap" style="text-align: right; padding-left: 5.4pt; padding-right: 5.4pt">0.5%</td></tr> <tr style="background-color: rgb(204,238,204); vertical-align: bottom"> <td nowrap="nowrap" style="text-align: right; padding-left: 5.4pt; padding-right: 5.4pt">Year 5</td> <td nowrap="nowrap" style="border-bottom: windowtext 1pt solid; text-align: right; padding-left: 5.4pt; padding-right: 5.4pt">0.7%</td></tr> <tr style="background-color: white; vertical-align: bottom"> <td nowrap="nowrap" style="padding-left: 5.4pt; padding-right: 5.4pt"> </td> <td nowrap="nowrap" style="padding-left: 5.4pt; padding-right: 5.4pt"> </td></tr> <tr style="background-color: rgb(204,238,204); vertical-align: bottom"> <td nowrap="nowrap" style="padding-left: 5.4pt; padding-right: 5.4pt">Total Warranty Reserve as a % of Sales</td> <td nowrap="nowrap" style="border-bottom: windowtext 2.25pt double; text-align: right; padding-left: 5.4pt; padding-right: 5.4pt">2.0%</td></tr> </table> falsefalsefalsenonnum:textBlockItemTypenaNo authoritative reference available.No definition available.false0Schedule of Estimate Future Warranty Costs3false 2us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<table cellspacing="0" cellpadding="0" align="center" style="width: 40%; border-collapse: collapse; font-size: 10pt"> <tr style="vertical-align: bottom"> <td> </td> <td colspan="3" style="border-bottom: black 1pt solid; text-align: center">May 31, 2013</td> <td style="padding-bottom: 1pt"> </td> <td colspan="3" style="border-bottom: black 1pt solid; text-align: center">February 28, 2013</td></tr> <tr style="background-color: rgb(204,238,204); vertical-align: bottom"> <td style="padding-left: 5.4pt; width: 55%">FY 2011</td> <td style="text-align: left; width: 1%">$</td> <td style="text-align: right; width: 20%">9,140</td> <td style="text-align: left; width: 1%"> </td> <td style="width: 1%"> </td> <td style="text-align: left; width: 1%">$</td> <td style="text-align: right; width: 20%">16,223</td> <td style="text-align: left; width: 1%"> </td></tr> <tr style="background-color: white; vertical-align: bottom"> <td style="padding-left: 5.4pt">FY 2012</td> <td style="text-align: left"> </td> <td style="text-align: right">39,881</td> <td style="text-align: left"> </td> <td> </td> <td style="text-align: left"> </td> <td style="text-align: right">55,063</td> <td style="text-align: left"> </td></tr> <tr style="background-color: rgb(204,238,204); vertical-align: bottom"> <td style="padding-left: 5.4pt">FY 2013</td> <td style="text-align: left"> </td> <td style="text-align: right">64,509</td> <td style="text-align: left"> </td> <td> </td> <td style="text-align: left"> </td> <td style="text-align: right">79,343</td> <td style="text-align: left"> </td></tr> <tr style="background-color: white; vertical-align: bottom"> <td style="padding-bottom: 1pt; padding-left: 5.4pt">FY 2014</td> <td style="border-bottom: black 1pt solid; text-align: left"> </td> <td style="border-bottom: black 1pt solid; text-align: right">1,947</td> <td style="text-align: left; padding-bottom: 1pt"> </td> <td style="padding-bottom: 1pt"> </td> <td style="border-bottom: black 1pt solid; text-align: left"> </td> <td style="border-bottom: black 1pt solid; text-align: right"> </td> <td style="text-align: left; padding-bottom: 1pt"> </td></tr> <tr style="background-color: rgb(204,238,204); vertical-align: bottom"> <td style="text-align: left; padding-bottom: 2.5pt; padding-left: 5.4pt">Reserve balance</td> <td style="border-bottom: black 2.5pt double; text-align: left"> </td> <td style="border-bottom: black 2.5pt double; text-align: right">115,477</td> <td style="text-align: left; padding-bottom: 2.5pt"> </td> <td style="padding-bottom: 2.5pt"> </td> <td style="border-bottom: black 2.5pt double; text-align: left">$</td> <td style="border-bottom: black 2.5pt double; text-align: right">150,629</td> <td style="text-align: left; padding-bottom: 2.5pt"> </td></tr> </table>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 false0Schedule of Warranty Reserve ActivityfalseWARRANTY RESERVE (Tables)UnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://XPWR/role/WarrantyReserveTables13