XML 41 R31.htm IDEA: XBRL DOCUMENT
v3.22.1

Note 1 - General Information (Details Textual) | Mar. 31, 2022
--- | ---
Number of Patents Granted | 24
Number of Additional Patents In Process | 2
Number of Wholly Owned Subsidiaries | 3

X
- Definition Represents the number of additional patents in process. + References No definition available. + Details
Name: | astc_NumberofAdditionalPatentsInProcess
Namespace Prefix: | astc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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

X
- 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
Balance Type: | na
Period Type: | instant