2.4.0.83030 - Disclosure - Net Loss Per Common Share (Tables)truefalsefalse1false falsefalseD2013Q2YTDhttp://www.sec.gov/CIK0001274792duration2013-01-01T00:00:002013-06-30T00:00:001true 1us-gaap_EarningsPerShareAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Net Loss Per Common Share2false 2us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div style="font-size:10.0pt;font-family:Times New Roman;FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;">   <table style="text-align:left;TEXT-ALIGN: left; WIDTH: 923px; BORDER-COLLAPSE: collapse;" border="0" cellspacing="0" cellpadding="0" width="923"> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;"> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 41%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="41%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 26.5%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="26%" colspan="5"> Three months ended June 30,</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 26.5%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="26%" colspan="5"> Six months ended June 30,</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%">  </td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;"> <td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 41%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="41%"> (in thousands, except per share amount)</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2"> 2012</td> <td style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2"> 2013</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2"> 2012</td> <td style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2"> 2013</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%">  </td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;"> <td style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 41%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="41%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%">  </td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;"> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 41%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" width="41%"> Net Loss Per Share:</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="1%">  </td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;"> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 41%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" width="41%"> Numerator:</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%">  </td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;"> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 41%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" width="41%"> Net loss attributable to Merrimack Pharmaceuticals, Inc.</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.3%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="1%"> $</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 10.7%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="10%"> (20,026</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="2%"> )</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.3%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="1%"> $</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 10.7%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="10%"> (30,082</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="2%"> )</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.3%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="1%"> $</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 10.7%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="10%"> (43,310</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="2%"> )</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.3%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="1%"> $</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 10.7%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="10%"> (58,235</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="1%"> )</td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;"> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 41%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" width="41%"> Plus: Unaccreted dividends on convertible preferred stock</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2"> (67</td> <td style="PADDING-BOTTOM: 0.375pt; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%"> )</td> <td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2"> —</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2"> (2,107</td> <td style="PADDING-BOTTOM: 0.375pt; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%"> )</td> <td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2"> —</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%">  </td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;"> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 41%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="41%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="2%">  </td> <td style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="2%">  </td> <td style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="2%">  </td> <td style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="2%">  </td> <td style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="1%">  </td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;"> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 41%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" width="41%"> Net loss available to common stockholders—basic and diluted</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2"> (20,093</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%"> )</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2"> (30,082</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%"> )</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2"> (45,417</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%"> )</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2"> (58,235</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%"> )</td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;"> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 41%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" width="41%"> Denominator:</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="1%">  </td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;"> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 41%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" width="41%"> Weighted-average common shares—basic and diluted</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2"> 90,581</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2"> 96,170</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2"> 51,214</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="12%" colspan="2"> 96,025</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%">  </td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;"> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 41%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="41%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="12%" colspan="2">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="1%">  </td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;"> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 41%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" width="41%"> Net loss per share available to common stockholders—basic and diluted</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.3%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%"> $</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 10.7%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="10%"> (0.22</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%"> )</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.3%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%"> $</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 10.7%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="10%"> (0.31</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%"> )</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.3%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%"> $</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 10.7%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="10%"> (0.89</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.5%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%"> )</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.3%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%"> $</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 10.7%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="10%"> (0.61</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%"> )</td></tr></table></div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of an entity's basic and diluted earnings per share calculations.No definition available.false0Schedule of computation of basic and diluted net loss per share available to common stockholders3false 2us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div style="font-size:10.0pt;font-family:Times New Roman;">     <table style="text-align:left;WIDTH: 93.34%; BORDER-COLLAPSE: collapse;" border="0" cellspacing="0" cellpadding="0" width="93%"> <tr style="padding:0;"> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 67.86%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="67%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.68%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 28.4%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="28%" colspan="3"> As of June 30,</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.08%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%">  </td></tr> <tr style="padding:0;"> <td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 67.86%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="67%"> (in thousands)</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.68%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12.86%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="12%"> 2012</td> <td style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.68%; PADDING-RIGHT: 0in; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12.86%; PADDING-RIGHT: 0in; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="12%"> 2013</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.08%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%">  </td></tr> <tr style="padding:0;"> <td style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 67.86%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="67%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.68%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12.86%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="12%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.68%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12.86%; PADDING-RIGHT: 0in; BORDER-TOP: medium none; BORDER-RIGHT: medium none; PADDING-TOP: 0in;" valign="bottom" width="12%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.08%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%">  </td></tr> <tr style="padding:0;"> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 67.86%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="67%"> Options to purchase common stock</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.68%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12.86%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="12%"> 17,455</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.68%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12.86%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="12%"> 20,447</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.08%; PADDING-RIGHT: 0in; BACKGROUND: #cceeff; PADDING-TOP: 0in;" bgcolor="#CCEEFF" valign="bottom" width="1%">  </td></tr> <tr style="padding:0;"> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 67.86%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="67%"> Common stock warrants</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.68%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12.86%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="12%"> 2,905</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 2.68%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="2%">  </td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 12.86%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="12%"> 2,777</td> <td style="PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; WIDTH: 1.08%; PADDING-RIGHT: 0in; PADDING-TOP: 0in;" valign="bottom" width="1%">  </td></tr></table>   </div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false0Schedule of potentially dilutive securities excluded from computation of diluted weighted average sharesfalseNet Loss Per Common Share (Tables)UnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.merrimackpharma.com/role/DisclosureNetLossPerCommonShareTables13