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<!--XBRL document created by RR Donnelley Tagger version 10.0.0.149; Copyright (C) RR Donnelley-->
<!--Based on XBRL 2.1-->
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        <link:definition>0212 - Disclosure - Employee Benefit Plan</link:definition>
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        <link:definition>0210 - Disclosure - Convertible Preferred Stock Warrants</link:definition>
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        <link:definition>0209 - Disclosure - Convertible Preferred Stock</link:definition>
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        <link:definition>0207 - Disclosure - Income Taxes</link:definition>
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        <link:definition>0206 - Disclosure - Long-Term Debt</link:definition>
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        <link:definition>0205 - Disclosure - Intangible Assets</link:definition>
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        <link:definition>0204 - Disclosure - Property, Plant and Equipment</link:definition>
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        <link:definition>0201 - Disclosure - General</link:definition>
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        <link:definition>0120 - Statement - Condensed Consolidated Statement of Operations (Unaudited)</link:definition>
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        <link:definition>0111 - Statement - Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)</link:definition>
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        <link:definition>0110 - Statement - Condensed Consolidated Balance Sheets (Unaudited)</link:definition>
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        <link:definition>00 - Document - Document and Entity Information</link:definition>
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