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      id="ixv-3111"
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      contextRef="cref_1312734422"
      decimals="-3"
      id="ixv-3112"
      unitRef="uref_549617005">44000</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>
    <us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
      contextRef="cref_1906695790"
      decimals="-3"
      id="ixv-3113"
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    <us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
      contextRef="cref_2112908358"
      decimals="-3"
      id="ixv-3114"
      unitRef="uref_549617005">44000</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>
    <us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
      contextRef="cref_44154467"
      decimals="-3"
      id="ixv-3115"
      unitRef="uref_549617005">84000</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>
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      contextRef="cref_1312734422"
      decimals="-3"
      id="ixv-3116"
      unitRef="uref_549617005">8716000</us-gaap:NetCashProvidedByUsedInInvestingActivities>
    <us-gaap:NetCashProvidedByUsedInInvestingActivities
      contextRef="cref_1906695790"
      decimals="-3"
      id="ixv-3117"
      unitRef="uref_549617005">10784000</us-gaap:NetCashProvidedByUsedInInvestingActivities>
    <us-gaap:NetCashProvidedByUsedInInvestingActivities
      contextRef="cref_2112908358"
      decimals="-3"
      id="ixv-3118"
      unitRef="uref_549617005">4666000</us-gaap:NetCashProvidedByUsedInInvestingActivities>
    <us-gaap:NetCashProvidedByUsedInInvestingActivities
      contextRef="cref_44154467"
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      id="ixv-3119"
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    <us-gaap:ProceedsFromIssuanceOfCommonStock
      contextRef="cref_2112908358"
      decimals="-3"
      id="ixv-3120"
      unitRef="uref_549617005">17081000</us-gaap:ProceedsFromIssuanceOfCommonStock>
    <us-gaap:ProceedsFromIssuanceOfCommonStock
      contextRef="cref_44154467"
      decimals="-3"
      id="ixv-3121"
      unitRef="uref_549617005">30758000</us-gaap:ProceedsFromIssuanceOfCommonStock>
    <us-gaap:ProceedsFromConvertibleDebt
      contextRef="cref_44154467"
      decimals="-3"
      id="ixv-3122"
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    <us-gaap:ProceedsFromWarrantExercises
      contextRef="cref_44154467"
      decimals="-3"
      id="ixv-3123"
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      contextRef="cref_1312734422"
      decimals="-3"
      id="ixv-3124"
      unitRef="uref_549617005">9000</us-gaap:ProceedsFromStockOptionsExercised>
    <us-gaap:ProceedsFromStockOptionsExercised
      contextRef="cref_1906695790"
      decimals="-3"
      id="ixv-3125"
      unitRef="uref_549617005">2000</us-gaap:ProceedsFromStockOptionsExercised>
    <us-gaap:ProceedsFromStockOptionsExercised
      contextRef="cref_2112908358"
      decimals="-3"
      id="ixv-3126"
      unitRef="uref_549617005">56000</us-gaap:ProceedsFromStockOptionsExercised>
    <us-gaap:ProceedsFromStockOptionsExercised
      contextRef="cref_44154467"
      decimals="-3"
      id="ixv-3127"
      unitRef="uref_549617005">440000</us-gaap:ProceedsFromStockOptionsExercised>
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      contextRef="cref_2112908358"
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      contextRef="cref_1312734422"
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      id="ixv-3129"
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    <us-gaap:NetCashProvidedByUsedInFinancingActivities
      contextRef="cref_1906695790"
      decimals="-3"
      id="ixv-3130"
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    <us-gaap:NetCashProvidedByUsedInFinancingActivities
      contextRef="cref_2112908358"
      decimals="-3"
      id="ixv-3131"
      unitRef="uref_549617005">16904000</us-gaap:NetCashProvidedByUsedInFinancingActivities>
    <us-gaap:NetCashProvidedByUsedInFinancingActivities
      contextRef="cref_44154467"
      decimals="-3"
      id="ixv-3132"
      unitRef="uref_549617005">53387000</us-gaap:NetCashProvidedByUsedInFinancingActivities>
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      contextRef="cref_1312734422"
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      id="ixv-3133"
      unitRef="uref_549617005">-3206000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
      contextRef="cref_1906695790"
      decimals="-3"
      id="ixv-3134"
      unitRef="uref_549617005">-990000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
      contextRef="cref_2112908358"
      decimals="-3"
      id="ixv-3135"
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      contextRef="cref_44154467"
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      id="ixv-3136"
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      contextRef="cref_1312734422"
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      id="ixv-3137"
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      contextRef="cref_1906695790"
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      id="ixv-3138"
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      contextRef="cref_1265745040"
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      contextRef="cref_1166827263"
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      id="ixv-3144"
      unitRef="uref_549617005">13768000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
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      contextRef="cref_1540562192"
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      id="ixv-3145"
      unitRef="uref_549617005">5317000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
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      contextRef="cref_549617005"
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      contextRef="cref_1540562192"
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      id="ixv-3147"
      unitRef="uref_549617005">5317000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="cref_549617005"
      decimals="-3"
      id="ixv-3148"
      unitRef="uref_549617005">6884000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
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        <link:footnote id="fref_444668439" xlink:label="fref_444668439" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Represents less than $1.</link:footnote>
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="fc_40276902"
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</xbrl>
