Note 14 - Due to Stockholder (Details Textual) $ in Thousands	Jun. 30, 2021 USD ($)
Deferred Compensation Liability, Interest Accrued	$ 0

Represents the accrued interest for deferred compensation.

No definition available.

Name:	admt_DeferredCompensationLiabilityInterestAccrued
Namespace Prefix:	admt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant