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Note 14 - Subsequent Events (Details Textual) $ in Thousands	Oct. 15, 2021 USD ($)
Recycling Facility at TRIC [Member] | Subsequent Event [Member]
Proceeds from Lease Payment, Sales-Type and Direct Financing Leases, Investing Activity	$ 1,250

X

- Definition

Amount of cash inflow from principal payment received from sales-type and direct financing leases classified as investing activity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 230
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=123398031&loc=SL120154370-112784

+ Details

Name:	us-gaap_ProceedsFromLeasePaymentSalesTypeAndDirectFinancingLeasesInvestingActivity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_LeaseContractualTermAxis=aqms_RecyclingFacilityAtTRICMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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