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Note 1 - Description of the Company and Operating Environment (Details Textual) | Jun. 30, 2024
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Number of Patents Granted | 17
Number of Wholly Owned Subsidiaries | 4

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- Definition Represents the number of patents granted. + References No definition available. + Details
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Namespace Prefix: | astc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Represents the number of subsidiaries to which ATI licenses AMS Technology. + References No definition available. + Details
Name: | astc_NumberofWhollyOwnedSubsidiaries
Namespace Prefix: | astc_
Data Type: | xbrli:integerItemType
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