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            <identifier scheme="http://www.sec.gov/CIK">0001339970</identifier>
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        <period>
            <startDate>2026-08-06</startDate>
            <endDate>2026-08-06</endDate>
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    <context id="offrl_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001339970</identifier>
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            <startDate>2026-08-06</startDate>
            <endDate>2026-08-06</endDate>
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    <unit id="USD">
        <measure>iso4217:USD</measure>
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    <unit id="pure">
        <measure>pure</measure>
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    <unit id="Shares">
        <measure>shares</measure>
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    <ffd:FormTp contextRef="rc" id="ixv-168">S-8</ffd:FormTp>
    <ffd:SubmissnTp contextRef="rc" id="ixv-169">S-8</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-170">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-171">0001339970</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-172">aTYR PHARMA INC</dei:EntityRegistrantName>
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    <dei:EntityRegistrantName contextRef="rc" id="ixv-201">aTYR PHARMA INC</dei:EntityRegistrantName>
    <ffd:OfferingSctyTp contextRef="offrl_1" id="ixv-202">Equity</ffd:OfferingSctyTp>
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      contextRef="offrl_1"
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      decimals="2"
      id="ixv-209"
      unitRef="USD">273.44</ffd:FeeAmt>
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    <ffd:TtlFeeAmt contextRef="rc" decimals="2" id="ixv-211" unitRef="USD">273.44</ffd:TtlFeeAmt>
    <ffd:TtlOffsetAmt contextRef="rc" decimals="2" id="ixv-212" unitRef="USD">0.00</ffd:TtlOffsetAmt>
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    <ffd:OfferingNote contextRef="offrl_1" id="ixv-214">Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the Securities Act), this Registration Statement on Form S-8 (this Registration Statement) shall also cover any additional shares of common stock, par value $0.001 per share (Common Stock), of aTyr Pharma, Inc. (the Registrant) that become issuable under the aTyr Pharma, Inc. 2015 Stock Option and Incentive Plan, as amended (the 2015 Plan), by reason of any stock dividend, stock split, recapitalization or other similar transaction.
The proposed maximum offering price per unit and proposed maximum aggregate offering price are estimated pursuant to Rule 457(h) and Rule 457(c) under the Securities Act solely for purposes of calculating the registration fee, which is calculated using the average of the high and low prices of the Common Stock on August 3, 2026, as reported on the Nasdaq Capital Market, which date is within five business days prior to the filing of this Registration Statement.
The number of shares being registered represents 4,000,000 additional shares of Common Stock reserved and available for issuance under the 2015 Plan, as approved by the Registrant's stockholders at its annual meeting of stockholders on May 11, 2026 (the 2026 Annual Meeting). At the 2026 Annual Meeting, the Registrant's stockholders approved an amendment to the 2015 Plan to increase the maximum number of shares of Common Stock reserved and available for issuance under the 2015 Plan by 4,000,000 to 19,725,101.
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