2.4.0.8028 - Disclosure - Note 5 - Prepaid and Other Current Assets and Other Non-Current Assets (Tables)truefalsefalse1false falsefalsec4_From1Jan2013To30Jun2013http://www.sec.gov/CIK0001023734duration2013-01-01T00:00:002013-06-30T00:00:001true 1bpz_PrepaidAndOtherCurrentAssetsAndOtherNonCurrentAssetsDisclosureTextBlockAbstractbpz_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Prepaid And Other Current Assets And Other Non Current Assets Disclosure [Abstract]2false 2us-gaap_ScheduleOfOtherCurrentAssetsTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<table style="TEXT-INDENT: 0px; WIDTH: 85%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 7.5%; FONT-SIZE: 10pt; MARGIN-RIGHT: 7.5%" id="TBL4566" border="0" cellspacing="0" cellpadding="0"> <tr> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">   </td> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4566.finRow.1.lead.D2">   </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.1.amt.D2" colspan="2"> June 30, 2013  </td> <td style="BORDER-BOTTOM: medium none; TEXT-ALIGN: center; PADDING-BOTTOM: 1px; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4566.finRow.1.trail.D2">   </td> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4566.finRow.1.lead.D3">   </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.1.amt.D3" colspan="2"> December 31, 2012  </td> <td style="BORDER-BOTTOM: medium none; TEXT-ALIGN: center; PADDING-BOTTOM: 1px; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4566.finRow.1.trail.D3">   </td> </tr> <tr> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">   </td> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4566.finRow.2.lead.D2">   </td> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.2.amt.D2" colspan="6"> (in thousands) </td> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4566.finRow.2.trail.B3">   </td> </tr> <tr> <td style="TEXT-ALIGN: left; BACKGROUND-COLOR: #cceeff; WIDTH: 64%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom"> Prepaid expenses and other </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.3.lead.2">   </td> <td style="TEXT-ALIGN: left; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.3.symb.2"> $ </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 15%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.3.amt.2"> 9,734 </td> <td style="TEXT-ALIGN: left; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.3.trail.2" nowrap="nowrap">   </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.3.lead.3">   </td> <td style="TEXT-ALIGN: left; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.3.symb.3"> $ </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 15%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.3.amt.3"> 4,538 </td> <td style="TEXT-ALIGN: left; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.3.trail.3" nowrap="nowrap">   </td> </tr> <tr> <td style="TEXT-ALIGN: left; BACKGROUND-COLOR: #ffffff; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom"> Prepaid insurance </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.4.lead.2">   </td> <td style="TEXT-ALIGN: left; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.4.symb.2">   </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #ffffff; WIDTH: 15%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.4.amt.2"> 1,027 </td> <td style="TEXT-ALIGN: left; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.4.trail.2" nowrap="nowrap">   </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.4.lead.3">   </td> <td style="TEXT-ALIGN: left; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.4.symb.3">   </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #ffffff; WIDTH: 15%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.4.amt.3"> 441 </td> <td style="TEXT-ALIGN: left; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.4.trail.3" nowrap="nowrap">   </td> </tr> <tr> <td style="TEXT-ALIGN: left; BACKGROUND-COLOR: #cceeff; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom"> Insurance receivable </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.5.lead.2">   </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: left; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.5.symb.2">   </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 15%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.5.amt.2"> 755 </td> <td style="TEXT-ALIGN: left; PADDING-BOTTOM: 1px; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.5.trail.2" nowrap="nowrap">   </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.5.lead.3">   </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: left; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.5.symb.3">   </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 15%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.5.amt.3"> 755 </td> <td style="TEXT-ALIGN: left; PADDING-BOTTOM: 1px; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.5.trail.3" nowrap="nowrap">   </td> </tr> <tr> <td style="BACKGROUND-COLOR: #ffffff">   </td> <td style="BACKGROUND-COLOR: #ffffff" id="TBL4566.finRow.6.lead.B2">   </td> <td style="BACKGROUND-COLOR: #ffffff" id="TBL4566.finRow.6.symb.B2">   </td> <td style="BACKGROUND-COLOR: #ffffff" id="TBL4566.finRow.6.amt.B2">   </td> <td style="BACKGROUND-COLOR: #ffffff" id="TBL4566.finRow.6.trail.B2">   </td> <td style="BACKGROUND-COLOR: #ffffff" id="TBL4566.finRow.6.lead.B3">   </td> <td style="BACKGROUND-COLOR: #ffffff" id="TBL4566.finRow.6.symb.B3">   </td> <td style="BACKGROUND-COLOR: #ffffff" id="TBL4566.finRow.6.amt.B3">   </td> <td style="BACKGROUND-COLOR: #ffffff" id="TBL4566.finRow.6.trail.B3">   </td> </tr> <tr> <td style="TEXT-ALIGN: left; BACKGROUND-COLOR: #cceeff; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom"> Prepaid and other current assets </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.7.lead.2">   </td> <td style="BORDER-BOTTOM: #000000 3px double; TEXT-ALIGN: left; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.7.symb.2"> $ </td> <td style="BORDER-BOTTOM: #000000 3px double; TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 15%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.7.amt.2"> 11,516 </td> <td style="TEXT-ALIGN: left; PADDING-BOTTOM: 3px; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.7.trail.2" nowrap="nowrap">   </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.7.lead.3">   </td> <td style="BORDER-BOTTOM: #000000 3px double; TEXT-ALIGN: left; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.7.symb.3"> $ </td> <td style="BORDER-BOTTOM: #000000 3px double; TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 15%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.7.amt.3"> 5,734 </td> <td style="TEXT-ALIGN: left; PADDING-BOTTOM: 3px; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4566.finRow.7.trail.3" nowrap="nowrap">   </td> </tr> </table>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the carrying amounts of other current assets.No definition available.false0Schedule of Other Current Assets [Table Text Block]3false 2us-gaap_ScheduleOfOtherAssetsNoncurrentTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<table style="TEXT-INDENT: 0px; WIDTH: 90%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 5%; FONT-SIZE: 10pt; MARGIN-RIGHT: 5%" id="TBL4582" border="0" cellspacing="0" cellpadding="0"> <tr id="TBL4582.finRow.2"> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">   </td> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4582.finRow.2.lead.D2">   </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.2.amt.D2" colspan="2"> June 30, 2013 </td> <td style="BORDER-BOTTOM: medium none; TEXT-ALIGN: center; PADDING-BOTTOM: 1px; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4582.finRow.2.trail.D2">   </td> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4582.finRow.2.lead.D3">   </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.2.amt.D3" colspan="2"> December 31, 2012 </td> <td style="BORDER-BOTTOM: medium none; TEXT-ALIGN: center; PADDING-BOTTOM: 1px; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4582.finRow.2.trail.D3">   </td> </tr> <tr id="TBL4582.finRow.3"> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">   </td> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4582.finRow.3.lead.D3">   </td> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.3.amt.D3" colspan="6"> (in thousands) </td> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4582.finRow.3.trail.D3">   </td> </tr> <tr id="TBL4582.finRow.4"> <td style="TEXT-ALIGN: left; BACKGROUND-COLOR: #cceeff; WIDTH: 66%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom"> Debt issue costs, net </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.4.lead.2">   </td> <td style="TEXT-ALIGN: left; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.4.symb.2"> $ </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 14%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.4.amt.2"> 3,723 </td> <td style="TEXT-ALIGN: left; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.4.trail.2" nowrap="nowrap">   </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.4.lead.3">   </td> <td style="TEXT-ALIGN: left; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.4.symb.3"> $ </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 14%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.4.amt.3"> 4,768 </td> <td style="TEXT-ALIGN: left; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.4.trail.3" nowrap="nowrap">   </td> </tr> <tr id="TBL4582.finRow.5"> <td style="TEXT-ALIGN: left; BACKGROUND-COLOR: #ffffff; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom"> Value-added tax receivable </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.5.lead.2">   </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: left; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.5.symb.2">   </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: right; BACKGROUND-COLOR: #ffffff; WIDTH: 14%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.5.amt.2"> 1,478 </td> <td style="BORDER-BOTTOM: medium none; TEXT-ALIGN: left; PADDING-BOTTOM: 1px; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.5.trail.2" nowrap="nowrap">   </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.5.lead.3">   </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: left; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.5.symb.3">   </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: right; BACKGROUND-COLOR: #ffffff; WIDTH: 14%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.5.amt.3"> 1,215 </td> <td style="BORDER-BOTTOM: medium none; TEXT-ALIGN: left; PADDING-BOTTOM: 1px; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.5.trail.3" nowrap="nowrap">   </td> </tr> <tr id="TBL4582.finRow.6"> <td style="BACKGROUND-COLOR: #cceeff">   </td> <td style="BACKGROUND-COLOR: #cceeff" id="TBL4582.finRow.6.lead.B2">   </td> <td style="BACKGROUND-COLOR: #cceeff" id="TBL4582.finRow.6.symb.B2">   </td> <td style="BACKGROUND-COLOR: #cceeff" id="TBL4582.finRow.6.amt.B2">   </td> <td style="BACKGROUND-COLOR: #cceeff" id="TBL4582.finRow.6.trail.B2">   </td> <td style="BACKGROUND-COLOR: #cceeff" id="TBL4582.finRow.6.lead.B3">   </td> <td style="BACKGROUND-COLOR: #cceeff" id="TBL4582.finRow.6.symb.B3">   </td> <td style="BACKGROUND-COLOR: #cceeff" id="TBL4582.finRow.6.amt.B3">   </td> <td style="BACKGROUND-COLOR: #cceeff" id="TBL4582.finRow.6.trail.B3">   </td> </tr> <tr id="TBL4582.finRow.7"> <td style="TEXT-ALIGN: left; BACKGROUND-COLOR: #ffffff; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom"> Other non-current assets </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.7.lead.2">   </td> <td style="BORDER-BOTTOM: #000000 3px double; TEXT-ALIGN: left; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.7.symb.2"> $ </td> <td style="BORDER-BOTTOM: #000000 3px double; TEXT-ALIGN: right; BACKGROUND-COLOR: #ffffff; WIDTH: 14%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.7.amt.2"> 5,201 </td> <td style="TEXT-ALIGN: left; PADDING-BOTTOM: 3px; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.7.trail.2" nowrap="nowrap">   </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.7.lead.3">   </td> <td style="BORDER-BOTTOM: #000000 3px double; TEXT-ALIGN: left; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.7.symb.3"> $ </td> <td style="BORDER-BOTTOM: #000000 3px double; TEXT-ALIGN: right; BACKGROUND-COLOR: #ffffff; WIDTH: 14%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.7.amt.3"> 5,983 </td> <td style="TEXT-ALIGN: left; PADDING-BOTTOM: 3px; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4582.finRow.7.trail.3" nowrap="nowrap">   </td> </tr> </table>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of noncurrent assets.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 17 -Article 5 false0Schedule of Other Assets, Noncurrent [Table Text Block]4false 2bpz_ScheduleOfAmortizationOfFinancingCostsTableTextBlockbpz_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<table style="TEXT-INDENT: 0px; WIDTH: 80%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 10%; FONT-SIZE: 10pt; MARGIN-RIGHT: 10%" id="TBL4603" border="0" cellspacing="0" cellpadding="0"> <tr id="TBL4603.finRow.2"> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">   </td> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4603.finRow.2.lead.D3">   </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.2.amt.D3" colspan="6"> Three Months Ended June 30, </td> <td style="BORDER-BOTTOM: medium none; TEXT-ALIGN: center; PADDING-BOTTOM: 1px; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4603.finRow.2.trail.D3">   </td> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4603.finRow.2.lead.D5">   </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.2.amt.D5" colspan="6"> Six Months Ended June 30, </td> <td style="BORDER-BOTTOM: medium none; TEXT-ALIGN: center; PADDING-BOTTOM: 1px; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4603.finRow.2.trail.D5">   </td> </tr> <tr id="TBL4603.finRow.3"> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">   </td> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4603.finRow.3.lead.D2">   </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.3.amt.D2" colspan="2"> 2013 </td> <td style="TEXT-ALIGN: center; PADDING-BOTTOM: 1px; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4603.finRow.3.trail.D2">   </td> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4603.finRow.3.lead.D3">   </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.3.amt.D3" colspan="2"> 2012 </td> <td style="TEXT-ALIGN: center; PADDING-BOTTOM: 1px; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4603.finRow.3.trail.D3">   </td> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4603.finRow.3.lead.D4">   </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.3.amt.D4" colspan="2"> 2013 </td> <td style="TEXT-ALIGN: center; PADDING-BOTTOM: 1px; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4603.finRow.3.trail.D4">   </td> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4603.finRow.3.lead.D5">   </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.3.amt.D5" colspan="2"> 2012 </td> <td style="TEXT-ALIGN: center; PADDING-BOTTOM: 1px; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4603.finRow.3.trail.D5">   </td> </tr> <tr id="TBL4603.finRow.4"> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">   </td> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4603.finRow.4.lead.D5">   </td> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.4.amt.D5" colspan="14"> (in thousands) </td> <td style="TEXT-ALIGN: center; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id="TBL4603.finRow.4.trail.D5">   </td> </tr> <tr id="TBL4603.finRow.5"> <td style="TEXT-ALIGN: left; BACKGROUND-COLOR: #cceeff; WIDTH: 36%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom"> Amortization of debt issue costs </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.5.lead.2">   </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: left; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.5.symb.2"> $ </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 13%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.5.amt.2"> 740 </td> <td style="BORDER-BOTTOM: medium none; TEXT-ALIGN: left; PADDING-BOTTOM: 1px; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.5.trail.2" nowrap="nowrap">   </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.5.lead.3">   </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: left; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.5.symb.3"> $ </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 13%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.5.amt.3"> 736 </td> <td style="BORDER-BOTTOM: medium none; TEXT-ALIGN: left; PADDING-BOTTOM: 1px; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.5.trail.3" nowrap="nowrap">   </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.5.lead.4">   </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: left; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.5.symb.4"> $ </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 13%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.5.amt.4"> 1,418 </td> <td style="BORDER-BOTTOM: medium none; TEXT-ALIGN: left; PADDING-BOTTOM: 1px; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.5.trail.4" nowrap="nowrap">   </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.5.lead.5">   </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: left; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.5.symb.5"> $ </td> <td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: right; BACKGROUND-COLOR: #cceeff; WIDTH: 13%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.5.amt.5"> 1,645 </td> <td style="BORDER-BOTTOM: medium none; TEXT-ALIGN: left; PADDING-BOTTOM: 1px; BACKGROUND-COLOR: #cceeff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.5.trail.5" nowrap="nowrap">   </td> </tr> <tr id="TBL4603.finRow.6"> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #ffffff; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">   </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.6.lead.2">   </td> <td style="BORDER-BOTTOM: #000000 3px double; TEXT-ALIGN: left; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.6.symb.2"> $ </td> <td style="BORDER-BOTTOM: #000000 3px double; TEXT-ALIGN: right; BACKGROUND-COLOR: #ffffff; WIDTH: 13%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.6.amt.2"> 740 </td> <td style="TEXT-ALIGN: left; PADDING-BOTTOM: 3px; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.6.trail.2" nowrap="nowrap">   </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.6.lead.3">   </td> <td style="BORDER-BOTTOM: #000000 3px double; TEXT-ALIGN: left; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.6.symb.3"> $ </td> <td style="BORDER-BOTTOM: #000000 3px double; TEXT-ALIGN: right; BACKGROUND-COLOR: #ffffff; WIDTH: 13%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.6.amt.3"> 736 </td> <td style="TEXT-ALIGN: left; PADDING-BOTTOM: 3px; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.6.trail.3" nowrap="nowrap">   </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.6.lead.4">   </td> <td style="BORDER-BOTTOM: #000000 3px double; TEXT-ALIGN: left; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.6.symb.4"> $ </td> <td style="BORDER-BOTTOM: #000000 3px double; TEXT-ALIGN: right; BACKGROUND-COLOR: #ffffff; WIDTH: 13%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.6.amt.4"> 1,418 </td> <td style="TEXT-ALIGN: left; PADDING-BOTTOM: 3px; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.6.trail.4" nowrap="nowrap">   </td> <td style="TEXT-ALIGN: right; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.6.lead.5">   </td> <td style="BORDER-BOTTOM: #000000 3px double; TEXT-ALIGN: left; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.6.symb.5"> $ </td> <td style="BORDER-BOTTOM: #000000 3px double; TEXT-ALIGN: right; BACKGROUND-COLOR: #ffffff; WIDTH: 13%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.6.amt.5"> 1,645 </td> <td style="TEXT-ALIGN: left; PADDING-BOTTOM: 3px; BACKGROUND-COLOR: #ffffff; WIDTH: 1%; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom" id="TBL4603.finRow.6.trail.5" nowrap="nowrap">   </td> </tr> </table>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of amount of noncash expense included in interest expense to allocate debt discount and premium, and the costs to issue debt and obtain financing over the related debt instruments. Alternate captions include noncash interest expense.No definition available.false0Schedule Of Amortization Of Financing Costs[Table Text Block]falseNote 5 - Prepaid and Other Current Assets and Other Non-Current Assets (Tables)UnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://bpzenergy.com/role/Note5PrepaidandOtherCurrentAssetsandOtherNonCurrentAssetsTables14