2.4.0.8012 - Disclosure - Fair Value Measurementstruefalsefalse1false
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2us-gaap_FairValueDisclosuresTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel| 1falsefalsefalse00<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;">5. Fair Value Measurements</font></div>
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<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">The fair value framework under the Financial Accounting Standards Board’s (“FASB”) guidance requires the categorization of assets and liabilities into three levels based upon the assumptions used to measure the assets or liabilities.  Level 1 provides the most reliable measure of fair value, whereas Level 3, if applicable, would generally require significant management judgment.  The three levels for categorizing assets and liabilities under the fair value measurement requirements are as follows:</font></div>
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<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">Level 1:  Fair value measurement of the asset or liability using observable inputs such as quoted prices in active markets for identical assets or liabilities;</font></div>
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<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">Level 2:  Fair value measurement of the asset or liability using inputs other than quoted prices that are observable for the applicable asset or liability, either directly or indirectly, such as quoted prices for similar (as opposed to identical) assets or liabilities in active markets and quoted prices for identical or similar assets or liabilities in markets that are not active; and</font></div>
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<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">Level 3:  Fair value measurement of the asset or liability using unobservable inputs that reflect the Company’s own assumptions regarding the applicable asset or liability.</font></div>
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<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">The following table summarizes those liabilities as of June 30, 2013 and December 31, 2012:</font></div>
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<td style="border-bottom: black 2px solid;" valign="bottom" colspan="14">
<div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;">June 30, </font><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;">2013</font></div>
<div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;">(Unaudited)</font></div>
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<td style="border-bottom: black 2px solid;" valign="bottom" colspan="14">
<div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;">December 31, </font><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;">2012</font></div>
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<div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;">Level 1</font></div>
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<div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;">Level 2</font></div>
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<div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;">Level 3</font></div>
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<div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;">Total</font></div>
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<div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;">Level 1</font></div>
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<div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;">Level 2</font></div>
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<div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;">Level 3</font></div>
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<td style="border-bottom: black 2px solid;" valign="bottom" colspan="2">
<div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;">Total</font></div>
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<td align="left" valign="bottom" width="20%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;">LIABILITIES:</font></div>
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<td align="right" valign="bottom" width="7%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="right" valign="bottom" width="7%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="right" valign="bottom" width="7%"><font style="display: inline;
font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="right" valign="bottom" width="7%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="right" valign="bottom" width="7%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="right" valign="bottom" width="7%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="right" valign="bottom" width="7%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="right" valign="bottom" width="7%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
</tr>
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<td align="left" style="padding-bottom: 2px;" valign="bottom" width="20%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">Warrant liability</font></div>
</td>
<td align="right" style="padding-bottom: 2px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" style="border-bottom: black 2px solid;" valign="bottom" width="1%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">$</font></div>
</td>
<td align="right" style="border-bottom: black 2px solid;" valign="bottom" width="7%">
<div align="right" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">—</font></div>
</td>
<td align="left" style="padding-bottom: 2px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="right" style="padding-bottom: 2px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" style="border-bottom: black 2px solid;" valign="bottom" width="1%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">$</font></div>
</td>
<td align="right" style="border-bottom: black 2px solid;" valign="bottom" width="7%">
<div align="right" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">—</font></div>
</td>
<td align="left" style="padding-bottom: 2px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="right" style="padding-bottom: 2px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" style="border-bottom: black 2px solid;" valign="bottom" width="1%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">$</font></div>
</td>
<td align="right" style="border-bottom: black 2px solid;" valign="bottom" width="7%">
<div align="right" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">445,075</font></div>
</td>
<td align="left" style="padding-bottom: 2px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="right" style="padding-bottom: 2px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" style="border-bottom: black 2px solid;" valign="bottom" width="1%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">$</font></div>
</td>
<td align="right" style="border-bottom: black 2px solid;" valign="bottom" width="7%">
<div align="right" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">445,075</font></div>
</td>
<td align="left" style="padding-bottom: 2px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size:
10pt;">  </font></td>
<td align="right" style="padding-bottom: 2px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" style="border-bottom: black 2px solid;" valign="bottom" width="1%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">$</font></div>
</td>
<td align="right" style="border-bottom: black 2px solid;" valign="bottom" width="7%">
<div align="right" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">—</font></div>
</td>
<td align="left" style="padding-bottom: 2px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="right" style="padding-bottom: 2px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" style="border-bottom: black 2px solid;" valign="bottom" width="1%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">$</font></div>
</td>
<td align="right" style="border-bottom: black 2px solid;" valign="bottom" width="7%">
<div align="right" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">—</font></div>
</td>
<td align="left" style="padding-bottom: 2px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="right" style="padding-bottom: 2px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" style="border-bottom: black 2px solid;" valign="bottom" width="1%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">$</font></div>
</td>
<td align="right" style="border-bottom: black 2px solid;" valign="bottom" width="7%">
<div align="right" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">1,616,325</font></div>
</td>
<td align="left" style="padding-bottom: 2px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="right" style="padding-bottom: 2px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" style="border-bottom: black 2px solid;" valign="bottom" width="1%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">$</font></div>
</td>
<td align="right" style="border-bottom: black 2px solid;" valign="bottom" width="7%">
<div align="right" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">1,616,325</font></div>
</td>
<td align="left" style="padding-bottom: 2px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
</tr>
<tr bgcolor="white">
<td align="left" style="padding-bottom: 4px;" valign="bottom" width="20%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">Total warrant liability</font></div>
</td>
<td align="right" style="padding-bottom: 4px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" style="border-bottom: black 4px double;" valign="bottom" width="1%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">$</font></div>
</td>
<td align="right" style="border-bottom: black 4px double;" valign="bottom" width="7%">
<div align="right" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">—</font></div>
</td>
<td align="left" style="padding-bottom: 4px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="right" style="padding-bottom: 4px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" style="border-bottom: black 4px double;" valign="bottom" width="1%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">$</font></div>
</td>
<td align="right" style="border-bottom: black 4px double;" valign="bottom" width="7%">
<div align="right" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">—</font></div>
</td>
<td align="left" style="padding-bottom: 4px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="right" style="padding-bottom: 4px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" style="border-bottom: black 4px double;" valign="bottom" width="1%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">$</font></div>
</td>
<td align="right" style="border-bottom: black 4px double;" valign="bottom" width="7%">
<div align="right" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">445,075</font></div>
</td>
<td align="left" style="padding-bottom: 4px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="right" style="padding-bottom: 4px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" style="border-bottom: black 4px double;" valign="bottom"
width="1%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">$</font></div>
</td>
<td align="right" style="border-bottom: black 4px double;" valign="bottom" width="7%">
<div align="right" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">445,075</font></div>
</td>
<td align="left" style="padding-bottom: 4px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="right" style="padding-bottom: 4px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" style="border-bottom: black 4px double;" valign="bottom" width="1%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">$</font></div>
</td>
<td align="right" style="border-bottom: black 4px double;" valign="bottom" width="7%">
<div align="right" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">—</font></div>
</td>
<td align="left" style="padding-bottom: 4px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="right" style="padding-bottom: 4px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" style="border-bottom: black 4px double;" valign="bottom" width="1%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">$</font></div>
</td>
<td align="right" style="border-bottom: black 4px double;" valign="bottom" width="7%">
<div align="right" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">—</font></div>
</td>
<td align="left" style="padding-bottom: 4px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="right" style="padding-bottom: 4px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" style="border-bottom: black 4px double;" valign="bottom" width="1%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">$</font></div>
</td>
<td align="right" style="border-bottom: black 4px double;" valign="bottom" width="7%">
<div align="right" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">1,616,325</font></div>
</td>
<td align="left" style="padding-bottom: 4px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="right" style="padding-bottom: 4px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td align="left" style="border-bottom: black 4px double;" valign="bottom" width="1%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">$</font></div>
</td>
<td align="right" style="border-bottom: black 4px double;" valign="bottom" width="7%">
<div align="right" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">1,616,325</font></div>
</td>
<td align="left" style="padding-bottom: 4px;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
</tr>
</table>
</div>
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"> </div>
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">Interest earned on debt securities is recorded to “Interest income, net” on the Consolidated Statements of Operations.  </font></div>
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"> </div>
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">The Company issued common stock warrants in January 2011 in conjunction with an equity financing.  In accordance with ASC 480, <font style="font-style: italic; display: inline;">Distinguishing Liabilities from Equity</font> (“ASC 480”), the fair value of these warrants is classified as a liability on the Company’s Consolidated Balance Sheets because, according to the terms of the warrants, a fundamental transaction could give rise to an obligation of the Company to pay cash to its warrant holders.  Corresponding changes in the fair value of the warrants are recognized in earnings on the Company’s Consolidated Statements of Operations in each subsequent period.</font></font></font></font></div>
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></font></font></div>
</div>
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">The Company’s warrant liability is carried at fair value and was classified as Level 3 in the fair value hierarchy due to the use of significant unobservable inputs.  In order to calculate fair value, the Company uses a custom model developed with the assistance of an
independent third-party valuation expert.  This model calculates the fair value of the warrant liability at each measurement date using a Monte-Carlo style simulation, as the value of certain features of the warrant liability would not be captured by the standard Black-Scholes model.</font></div>
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"> </div>
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">The following table summarizes the values of certain assumptions used in our custom model to estimate the fair value of the warrant liability at June 30, 2013 and December 31, 2012:</font></div>
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"> </div>
</div>
<div align="left">
<table style="width: 100%; font-family: times new roman; font-size: 10pt;" cellspacing="0" cellpadding="0">
<tr>
<td align="left" valign="bottom"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td valign="bottom"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;"> </font></td>
<td valign="bottom" colspan="2">
<div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;">June 30,</font></div>
</td>
<td style="text-align: left;" valign="bottom" nowrap="nowrap"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;"> </font></td>
<td valign="bottom"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;"> </font></td>
<td valign="bottom" colspan="2">
<div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;">December 31,</font></div>
</td>
<td style="text-align: left;" valign="bottom" nowrap="nowrap"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;"> </font></td>
</tr>
<tr>
<td align="left" style="padding-bottom: 2px;" valign="bottom"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td style="padding-bottom: 2px;" valign="bottom"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;"> </font></td>
<td style="border-bottom: black 2px solid;" valign="bottom" colspan="2">
<div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;">2013</font></div>
</td>
<td style="text-align: left; padding-bottom: 2px;" valign="bottom" nowrap="nowrap"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;"> </font></td>
<td style="padding-bottom: 2px;" valign="bottom"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;"> </font></td>
<td style="border-bottom: black 2px solid;" valign="bottom" colspan="2">
<div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;">2012</font></div>
</td>
<td style="text-align: left; padding-bottom: 2px;" valign="bottom" nowrap="nowrap"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;"> </font></td>
</tr>
<tr>
<td align="left" valign="bottom"><font style="display: inline; font-family: times new roman; font-size: 10pt;">  </font></td>
<td valign="bottom"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;"> </font></td>
<td valign="bottom" colspan="2">
<div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;">(Unaudited)</font></div>
</td>
<td style="text-align: left;" valign="bottom" nowrap="nowrap"><font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;"> </font></td>
<td align="left" valign="bottom"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td align="left" valign="bottom" colspan="2"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align: left;" valign="bottom" nowrap="nowrap"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
</tr>
<tr bgcolor="#cceeff">
<td align="left" valign="bottom" width="76%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">Stock price</font></div>
</td>
<td align="right" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align: left;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">$</font></td>
<td style="text-align: right;" valign="bottom" width="9%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">0.51</font></td>
<td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td align="right" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align: left;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">$</font></td>
<td style="text-align: right;" valign="bottom" width="9%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">1.25</font></td>
<td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
</tr>
<tr bgcolor="white">
<td align="left" valign="bottom" width="76%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">Strike price</font></div>
</td>
<td align="right" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align:
left;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">$</font></td>
<td style="text-align: right;" valign="bottom" width="9%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">2.50</font></td>
<td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td align="right" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align: left;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">$</font></td>
<td style="text-align: right;" valign="bottom" width="9%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">2.50</font></td>
<td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
</tr>
<tr bgcolor="#cceeff">
<td align="left" valign="bottom" width="76%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">Remaining contractual term (years)</font></div>
</td>
<td align="right" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align: left;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align: right;" valign="bottom" width="9%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">2.6</font></td>
<td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td align="right" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align: left;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align: right;" valign="bottom" width="9%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">3.1</font></td>
<td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
</tr>
<tr bgcolor="white">
<td align="left" valign="bottom" width="76%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">Volatility</font></div>
</td>
<td align="right" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align: left;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align: right;" valign="bottom" width="9%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">141.8</font></td>
<td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"><font style="display: inline; font-family: times new roman; font-size: 10pt;">%</font></td>
<td align="right" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align: left;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align: right;" valign="bottom" width="9%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">171.9</font></td>
<td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"><font style="display: inline; font-family: times new roman; font-size: 10pt;">%</font></td>
</tr>
<tr bgcolor="#cceeff">
<td align="left" valign="bottom" width="76%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">Adjusted volatility</font></div>
</td>
<td align="right" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align: left;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align: right;" valign="bottom" width="9%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">123.0</font></td>
<td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"><font style="display: inline; font-family: times new roman; font-size: 10pt;">%</font></td>
<td align="right" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align: left;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align: right;" valign="bottom" width="9%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">121.1</font></td>
<td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"><font style="display: inline; font-family: times new roman; font-size: 10pt;">%</font></td>
</tr>
<tr bgcolor="white">
<td align="left" valign="bottom" width="76%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">Risk-free rate</font></div>
</td>
<td align="right" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align: left;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align: right;" valign="bottom" width="9%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">0.5</font></td>
<td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"><font style="display: inline; font-family: times new roman; font-size: 10pt;">%</font></td>
<td align="right" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align: left;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align: right;" valign="bottom" width="9%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">0.4</font></td>
<td style="text-align:
left;" valign="bottom" width="1%" nowrap="nowrap"><font style="display: inline; font-family: times new roman; font-size: 10pt;">%</font></td>
</tr>
<tr bgcolor="#cceeff">
<td align="left" valign="bottom" width="76%">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">Dividend yield</font></div>
</td>
<td align="right" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align: left;" valign="bottom" width="1%"><font style="display: inline; font-family: times new roman; font-size: 10pt;"> </font></td>
<td style="text-align: right;" valign="bottom" width="9%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">0.0</font></td>
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<td style="text-align: right;" valign="bottom" width="9%"><font style="display: inline; font-family: times new roman; font-size: 10pt;">0.0</font></td>
<td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"><font style="display: inline; font-family: times new roman; font-size: 10pt;">%</font></td>
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<div align="right" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"> </div>
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;">
<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">For the purposes of determining fair value, the Company used “adjusted volatility” in favor of “historical volatility” in its Monte-Carlo style simulation.  Historical volatility of the Company was calculated using weekly stock prices over a look back period corresponding to the remaining contractual term of the warrants as of each valuation date.  Management considered the lack of marketability of these instruments by incorporating a 10% incremental discount rate premium through a reduction of the volatility estimate (“volatility haircut”) to calculate the adjusted historical volatility as of each valuation date.</font></div>
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<div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: times new roman; font-size: 10pt;">Accounting Standards Update 2011-04,<font style="font-style: italic; display: inline;"> Fair Value Measurement (Topic 820) - Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRS</font> (“ASU 2011-04”) indicates that “in the absence of a Level 1 input, a reporting entity should apply premiums or discounts when market participants would do so when pricing the asset or liability.”  In accordance with ASU 2011-04, management estimated fair value from the perspective of market participants.</font></div>falsefalsefalse | nonnum:textBlockItemTypenaThe entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.Reference 1: http://www.xbrl.org/2003/role/presentationRef
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