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        <link:definition>2115100 - Disclosure - Segment Information</link:definition>
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        <link:definition>2415403 - Disclosure - Segment Information (Details)</link:definition>
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        <link:definition>2415402 - Disclosure - Segment Information Segment Information (Details Textual)</link:definition>
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        <link:definition>2315301 - Disclosure - Segment Information (Tables)</link:definition>
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        <link:definition>2103100 - Disclosure - Stock-Based Compensation</link:definition>
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        <link:definition>2403402 - Disclosure - Stock-Based Compensation (Details 1)</link:definition>
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        <link:definition>2403403 - Disclosure - Stock-Based Compensation (Details 2)</link:definition>
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        <link:definition>2403404 - Disclosure - Stock-Based Compensation (Details Textual)</link:definition>
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        <link:definition>2303301 - Disclosure - Stock-Based Compensation (Tables)</link:definition>
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</xsd:schema>