2.4.0.800000017 - Disclosure - WARRANTY RESERVEtruefalsefalse1false 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_WarrantyReserveDisclosureTextBlockXPWR_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Company accrues for estimated future warranty costs by establishing a reserve of 2% of fiscal year wind turbine sales and tower sales. The reserve is reduced over the five year warranty period as follows:   <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>   Warranty reserve balances were as follows at May 31, 2013 and February 28, 2013:   <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:textBlockItemTypenaNo authoritative reference available.No definition available.false0WARRANTY RESERVEfalseWARRANTY RESERVEUnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://XPWR/role/WarrantyReserve12