<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2026"
  xmlns:ffd="http://xbrl.sec.gov/ffd/2026"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <link:schemaRef
      xlink:href="https://xbrl.sec.gov/ffd/2026/ffd-2026.xsd"
      xlink:type="simple"/>
    <context id="rc">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001001907</identifier>
        </entity>
        <period>
            <startDate>2026-06-25</startDate>
            <endDate>2026-06-25</endDate>
        </period>
    </context>
    <context id="offrl_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001001907</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-25</startDate>
            <endDate>2026-06-25</endDate>
        </period>
    </context>
    <context id="offrl_2">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001001907</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>2</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-25</startDate>
            <endDate>2026-06-25</endDate>
        </period>
    </context>
    <context id="offrl_3">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001001907</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>3</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-25</startDate>
            <endDate>2026-06-25</endDate>
        </period>
    </context>
    <context id="offrl_4">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001001907</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>4</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-25</startDate>
            <endDate>2026-06-25</endDate>
        </period>
    </context>
    <context id="offrl_5">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001001907</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>5</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-25</startDate>
            <endDate>2026-06-25</endDate>
        </period>
    </context>
    <context id="offrl_6">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001001907</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>6</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-25</startDate>
            <endDate>2026-06-25</endDate>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <ffd:FormTp contextRef="rc" id="ixv-410">S-3</ffd:FormTp>
    <ffd:SubmissnTp contextRef="rc" id="ixv-411">S-3</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-412">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-413">0001001907</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-414">ASTROTECH Corp</dei:EntityRegistrantName>
    <ffd:OfferingTableNa contextRef="rc" id="hiddenrcOfferingTableNa" xsi:nil="true"/>
    <ffd:OffsetTableNa contextRef="rc" id="hiddenrcOffsetTableNa">N/A</ffd:OffsetTableNa>
    <ffd:CombinedProspectusTableNa contextRef="rc" id="hiddenrcCombinedProspectusTableNa">N/A</ffd:CombinedProspectusTableNa>
    <ffd:FeeRate
      contextRef="offrl_1"
      decimals="7"
      id="ixv-418"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeRate
      contextRef="offrl_2"
      decimals="7"
      id="ixv-419"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeRate
      contextRef="offrl_3"
      decimals="7"
      id="ixv-420"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeRate
      contextRef="offrl_4"
      decimals="7"
      id="ixv-421"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeRate
      contextRef="offrl_5"
      decimals="7"
      id="ixv-422"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FormTp contextRef="rc" id="ixv-492">S-3</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-493">ASTROTECH Corp</dei:EntityRegistrantName>
    <ffd:OfferingSctyTp contextRef="offrl_1" id="ixv-494">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_1" id="ixv-495">Common Stock</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="offrl_1" id="ixv-496">true</ffd:Rule457oFlg>
    <ffd:OfferingSctyTp contextRef="offrl_2" id="ixv-497">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_2" id="ixv-498">Preferred Stock</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="offrl_2" id="ixv-499">true</ffd:Rule457oFlg>
    <ffd:OfferingSctyTp contextRef="offrl_3" id="ixv-500">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_3" id="ixv-501">Debt Securities</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="offrl_3" id="ixv-502">true</ffd:Rule457oFlg>
    <ffd:OfferingSctyTp contextRef="offrl_4" id="ixv-503">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_4" id="ixv-504">Warrants</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="offrl_4" id="ixv-505">true</ffd:Rule457oFlg>
    <ffd:OfferingSctyTp contextRef="offrl_5" id="ixv-506">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_5" id="ixv-507">Units</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="offrl_5" id="ixv-508">true</ffd:Rule457oFlg>
    <ffd:PrevslyPdFlg contextRef="offrl_6" id="ixv-509">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_6" id="ixv-510">Unallocated (Universal) Shelf</ffd:OfferingSctyTp>
    <ffd:Rule457oFlg contextRef="offrl_6" id="ixv-511">true</ffd:Rule457oFlg>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_6"
      decimals="2"
      id="ixv-512"
      unitRef="USD">200000000.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="offrl_6"
      decimals="7"
      id="ixv-513"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_6"
      decimals="2"
      id="ixv-514"
      unitRef="USD">27620.00</ffd:FeeAmt>
    <ffd:TtlOfferingAmt contextRef="rc" decimals="2" id="ixv-515" unitRef="USD">200000000.00</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt contextRef="rc" decimals="2" id="ixv-516" unitRef="USD">27620.00</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt contextRef="rc" decimals="2" id="ixv-517" unitRef="USD">0.00</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt contextRef="rc" decimals="2" id="ixv-518" unitRef="USD">0.00</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt contextRef="rc" decimals="2" id="ixv-519" unitRef="USD">27620.00</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="offrl_6" id="ixv-520">An indeterminate number or aggregate principal amount, as applicable, of securities of each identified class is being registered as may from time to time be offered on a primary basis at indeterminate prices, including an indeterminate number or amount of securities that may be issued upon the exercise, settlement, exchange or conversion of securities offered hereunder, which together shall have an aggregate initial offering price not to exceed $200,000,000. Separate consideration may or may not be received for securities that are issuable upon conversion of, or in exchange for, or upon exercise of, convertible or exchangeable securities. Pursuant to Rule 416 under the Securities Act of 1933, as amended (the "Securities Act"), this registration statement shall also cover any additional securities of the registrant that become issuable by reason of any splits, dividends or similar transactions or anti-dilution adjustments. 

Estimated solely for the purpose of calculating the registration fee. Subject to Rule 462(b) under the Securities Act, the aggregate initial offering price of all securities issued by the registrant pursuant to this registration statement will not exceed $200,000,000. 

If any debt securities are issued at an original issue discount, the offering price of such debt securities shall be in such greater principal amount at maturity as shall result in an aggregate offering price not to exceed $200,000,000, less the aggregate dollar amount of all securities previously issued hereunder.
</ffd:OfferingNote>
</xbrl>
