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Note 16 - Income Taxes - Summary of Valuation Allowance (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Balance at beginning of the year | $ 34,183 | $ 28,039
Balance at end of the year | 42,412 | 34,183
Tax Positions Related To Current Period [Member] |  |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | 8,229 | 6,144
Tax Positions Related To Prior Periods [Member] |  |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | $ 0 | $ 0

X
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
Name: | us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
Name: | us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
Name: | us-gaap_ValuationAllowanceByDeferredTaxAssetAxis=dmac_TaxPositionsRelatedToCurrentPeriodMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowanceByDeferredTaxAssetAxis=dmac_TaxPositionsRelatedToPriorPeriodsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |