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v3.23.1

Note 16 - Subsequent Events (Details Textual) | May 02, 2023
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Subsequent Event [Member] |
Number of Tracers | 17

X
- Definition Amount of tracers + References No definition available. + Details
Name: | astc_NumberOfTracers
Namespace Prefix: | astc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |