Note 13 - Stock Based Compensation - Unrecognized Compensation Costs (Details)	Mar. 31, 2020 USD ($)
2021	$ 11,735
2022	11,735
2023	11,736
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 35,206

Amount of unrecognized compensation costs that expected to be recognized in next twelve months.

No definition available.

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- Definition

Amount of unrecognized compensation costs that expected to be recognized in third fiscal year following current fiscal year.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Amount of unrecognized compensation costs that expected to be recognized in second fiscal year following current fiscal year.

+ References

No definition available.

+ Details

Name:	admt_UnrecognizedCompensationCostsExpectedToBeRecognizedYearTwo
Namespace Prefix:	admt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

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