2.4.0.81100 - Disclosure - Changes in Non-Cash Working Capitaltruefalsefalse1false
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2nka_NonCashWorkingCapitalDisclosureTextBlocknka_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel| 1falsefalsefalse00<div style="font-size:10.0pt;font-family:Times New Roman;">
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<p style="MARGIN: 0in 0in 0pt;"><b><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold;" size="2">10. Changes in Non-Cash Working Capital</font></b></p>
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<p style="TEXT-INDENT: 0.5in; MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">Changes in non-cash working capital for the three months ended June 30, 2013 and 2012 consists of the following:</font></p>
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<p style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt;" align="center"><b><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 8pt; FONT-WEIGHT: bold;" size="1">Three Months Ended</font></b></p></td>
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<p style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt;" align="center"><b><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 8pt; FONT-WEIGHT: bold;" size="1">June 30,</font></b></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.24%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%">
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<td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 15.02%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="15%" colspan="2">
<p style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt;" align="center"><b><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 8pt; FONT-WEIGHT: bold;" size="1">2013</font></b></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="3%">
<p style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt;" align="center"> </p></td>
<td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 15.02%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="15%" colspan="2">
<p style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt;" align="center"><b><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 8pt; FONT-WEIGHT: bold;" size="1">2012</font></b></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.24%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%">
<p style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt;" align="center"> </p></td></tr>
<tr style="padding:0;">
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 62.48%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="62%">
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<td style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 15.02%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="15%" colspan="2">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"> </p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td>
<td style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 15.02%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="15%" colspan="2">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"> </p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.24%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td></tr>
<tr style="padding:0;">
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 62.48%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="62%">
<p style="TEXT-INDENT: -10pt; MARGIN: 0in 0in 0pt 10pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">Margin deposits</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.62%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="1%">
<p style="MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">$</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 13.4%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="13%">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">11,551</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.62%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="1%">
<p style="MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">$</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 13.4%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="13%">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">(22,321</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.24%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="1%">
<p style="MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">)</font></p></td></tr>
<tr style="padding:0;">
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 62.48%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="62%">
<p style="TEXT-INDENT: -10pt; MARGIN: 0in 0in 0pt 10pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">Trade receivables</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 15.02%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="15%" colspan="2">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">960</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 15.02%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="15%" colspan="2">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">2,110</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.24%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td></tr>
<tr style="padding:0;">
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 62.48%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="62%">
<p style="TEXT-INDENT: -10pt; MARGIN: 0in 0in 0pt 10pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">Accrued receivables</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 15.02%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="15%" colspan="2">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">77,427</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 15.02%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="15%" colspan="2">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">22,920</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.24%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="1%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td></tr>
<tr style="padding:0;">
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 62.48%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="62%">
<p style="TEXT-INDENT: -10pt; MARGIN: 0in 0in 0pt 10pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">Natural gas inventory</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 15.02%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="15%" colspan="2">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">(45,693</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">)</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 15.02%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="15%" colspan="2">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">7,216</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.24%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td></tr>
<tr style="padding:0;">
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 62.48%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="62%">
<p style="TEXT-INDENT: -10pt; MARGIN: 0in 0in 0pt 10pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">Prepaid expenses and other current assets</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 15.02%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="15%" colspan="2">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">1,538</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 15.02%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="15%" colspan="2">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">(954</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.24%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="1%">
<p style="MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">)</font></p></td></tr>
<tr style="padding:0;">
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 62.48%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="62%">
<p style="TEXT-INDENT: -10pt; MARGIN: 0in 0in 0pt 10pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">Other assets</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 15.02%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="15%" colspan="2">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">(63</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">)</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 15.02%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="15%" colspan="2">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">—</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.24%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td></tr>
<tr style="padding:0;">
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 62.48%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="62%">
<p style="TEXT-INDENT: -10pt; MARGIN: 0in 0in 0pt 10pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">Trade payables</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 15.02%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="15%" colspan="2">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">336</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 15.02%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="15%" colspan="2">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">(489</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.24%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="1%">
<p style="MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">)</font></p></td></tr>
<tr style="padding:0;">
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 62.48%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="62%">
<p style="TEXT-INDENT: -10pt; MARGIN: 0in 0in 0pt 10pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">Accrued liabilities</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 15.02%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="15%" colspan="2">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">32,428</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 15.02%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="15%" colspan="2">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">8,306</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.24%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td></tr>
<tr style="padding:0;">
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 62.48%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="62%">
<p style="TEXT-INDENT: -10pt; MARGIN: 0in 0in 0pt 10pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">Deferred revenue</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 15.02%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="15%" colspan="2">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">6,261</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 15.02%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="15%" colspan="2">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">(11,235</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.24%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="1%">
<p style="MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">)</font></p></td></tr>
<tr style="padding:0;">
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 62.48%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="62%">
<p style="TEXT-INDENT: -10pt; MARGIN: 0in 0in 0pt 10pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">Other long-term liabilities</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td>
<td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 15.02%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="15%" colspan="2">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">(79</font></p></td>
<td style="PADDING-BOTTOM: 0.375pt; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">)</font></p></td>
<td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 15.02%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="15%" colspan="2">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">—</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.24%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td></tr>
<tr style="padding:0;">
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 62.48%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="62%">
<p style="TEXT-INDENT: -10pt; MARGIN: 0in 0in 0pt 20pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">Total</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td>
<td style="BORDER-BOTTOM: windowtext 2.25pt double; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.62%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="1%">
<p style="MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">$</font></p></td>
<td style="BORDER-BOTTOM: windowtext 2.25pt double; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 13.4%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="13%">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">84,666</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 3.12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="3%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td>
<td style="BORDER-BOTTOM: windowtext 2.25pt double; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.62%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="1%">
<p style="MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">$</font></p></td>
<td style="BORDER-BOTTOM: windowtext 2.25pt double; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 13.4%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="13%">
<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">5,553</font></p></td>
<td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.24%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="1%">
<p style="MARGIN: 0in 0in 0pt;"> </p></td></tr></table>
<p style="TEXT-INDENT: 0.5in; MARGIN: 0in 0in 0pt;"> </p>
<p style="TEXT-INDENT: 35.45pt; MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">During the three months ended June 30, 2012, changes in non-cash working capital include the receipt of proceeds of $14.2 million (June 30, 2013 - $ nil) from sales of cushion gas. The Company included such proceeds in cash flows from operations since the predominant source of cash flows for natural gas purchases and sales are operating in nature.</font></p>
</div>falsefalsefalse | nonnum:textBlockItemTypenaThis element represents a tabular reconciliation of the total change in non-cash working capital for the reporting period.No definition available.false0
falseChanges in Non-Cash Working CapitalUnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.niskapartners.com/role/DisclosureChangesInNonCashWorkingCapital12