2.4.0.8128 - Disclosure - Stock Purchase Warrants (Tables)truefalsefalse1false falsefalsecx_01_January_2013_TO_30_June_2013http://www.sec.gov/CIK0001162324duration2013-01-01T00:00:002013-06-30T00:00:001false 4urz_ScheduleOfStockholdersEquityNoteWarrantsOrRightsActivityTextBlockurz_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00<table border="0" cellpadding="0" cellspacing="0" style="border-color: black; border-collapse: collapse; font-size: 10pt; font-family: times new roman,times,serif;" width="100%"> <tr valign="top"> <td width="5%">&#160;</td> <td align="left">&#160;</td> <td align="left" width="1%">&#160;</td> <td align="center" nowrap="nowrap" width="12%">&#160;</td> <td align="center" nowrap="nowrap" width="2%">&#160;</td> <td align="center" nowrap="nowrap" width="1%">&#160;</td> <td align="center" nowrap="nowrap" width="12%">Weighted Average</td> <td align="left" width="2%">&#160;</td> </tr> <tr valign="top"> <td width="5%">&#160;</td> <td align="left" style="BORDER-BOTTOM: #000000 1px solid">&#160;</td> <td align="left" style="BORDER-BOTTOM: #000000 1px solid" width="1%">&#160;</td> <td align="center" nowrap="nowrap" style="BORDER-BOTTOM: #000000 1px solid" width="12%">Number</td> <td align="center" nowrap="nowrap" style="BORDER-BOTTOM: #000000 1px solid" width="2%">&#160;</td> <td align="center" nowrap="nowrap" style="BORDER-BOTTOM: #000000 1px solid" width="1%">&#160;</td> <td align="center" nowrap="nowrap" style="BORDER-BOTTOM: #000000 1px solid" width="12%">Exercise Price</td> <td align="left" style="BORDER-BOTTOM: #000000 1px solid" width="2%">&#160;</td> </tr> <tr valign="top"> <td width="5%">&#160;</td> <td align="left">&#160;</td> <td align="left" width="1%">&#160;</td> <td align="center" width="12%">&#160;</td> <td align="center" width="2%">&#160;</td> <td align="center" width="1%">&#160;</td> <td align="center" width="12%">$&#160;</td> <td align="left" width="2%">&#160;</td> </tr> <tr valign="top"> <td width="5%">&#160;</td> <td align="left" bgcolor="#e6efff">Balance December 31, 2012</td> <td align="left" bgcolor="#e6efff" width="1%">&#160;</td> <td align="center" bgcolor="#e6efff" width="12%"> 2,000,000 </td> <td align="center" bgcolor="#e6efff" width="2%">&#160;</td> <td align="center" bgcolor="#e6efff" width="1%">&#160;</td> <td align="center" bgcolor="#e6efff" width="12%"> 3.00 </td> <td align="left" bgcolor="#e6efff" width="2%">&#160;</td> </tr> <tr valign="top"> <td width="5%">&#160;</td> <td align="left" style="BORDER-BOTTOM: #000000 1px solid">Issued</td> <td align="left" style="BORDER-BOTTOM: #000000 1px solid" width="1%">&#160;</td> <td align="center" style="BORDER-BOTTOM: #000000 1px solid" width="12%"> 1,600,000 </td> <td align="center" style="BORDER-BOTTOM: #000000 1px solid" width="2%">&#160;</td> <td align="center" style="BORDER-BOTTOM: #000000 1px solid" width="1%">&#160;</td> <td align="center" style="BORDER-BOTTOM: #000000 1px solid" width="12%"> 1.60 </td> <td align="left" style="BORDER-BOTTOM: #000000 1px solid" width="2%">&#160;</td> </tr> <tr valign="top"> <td width="5%">&#160;</td> <td align="left" bgcolor="#e6efff" style="BORDER-BOTTOM: #000000 2px solid">Balance June 30, 2013</td> <td align="left" bgcolor="#e6efff" style="BORDER-BOTTOM: #000000 2px solid" width="1%">&#160;</td> <td align="center" bgcolor="#e6efff" style="BORDER-BOTTOM: #000000 2px solid" width="12%"> 3,600,000 </td> <td align="center" bgcolor="#e6efff" style="BORDER-BOTTOM: #000000 2px solid" width="2%">&#160;</td> <td align="center" bgcolor="#e6efff" style="BORDER-BOTTOM: #000000 2px solid" width="1%">&#160;</td> <td align="center" bgcolor="#e6efff" style="BORDER-BOTTOM: #000000 2px solid" width="12%"> 2.38 </td> <td align="left" bgcolor="#e6efff" style="BORDER-BOTTOM: #000000 2px solid" width="2%">&#160;</td> </tr> </table>falsefalsefalsenonnum:textBlockItemTypenaSchedule of Stockholders' Equity Note, Warrants or Rights, Activity [Table Text Block]No definition available.false0Schedule of Stockholders' Equity Note, Warrants or Rights, Activity [Table Text Block]2false 4us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<table border="0" cellpadding="0" cellspacing="0" style="border-color: black; border-collapse: collapse; font-size: 10pt; font-family: times new roman,times,serif;" width="50%"> <tr valign="top"> <td width="10%">&#160;</td> <td align="left">Number of Warrants</td> <td align="left" width="30%">Exercise Price</td> <td align="left" width="30%">Expiry Date</td> </tr> <tr valign="top"> <td width="10%">&#160;</td> <td align="left">&#160;</td> <td align="left" width="30%">$</td> <td align="left" width="30%">&#160;</td> </tr> <tr valign="top"> <td width="10%">&#160;</td> <td align="left" bgcolor="#e6efff"> 2,000,000 </td> <td align="left" bgcolor="#e6efff" width="30%"> 3.00 </td> <td align="left" bgcolor="#e6efff" width="30%">June 30, 2014</td> </tr> <tr valign="top"> <td width="10%">&#160;</td> <td align="left"> 1,600,000 </td> <td align="left" width="30%"> 1.60 </td> <td align="left" width="30%">December 5, 2016</td> </tr> </table>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. 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