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Note 4 - Commitments and Contingencies (Details Textual)	1 Months Ended	12 Months Ended
	Aug. 31, 2023 USD ($) ft²	Dec. 31, 2024 USD ($)
The 1044 N Lease [Member]
Area of Real Estate Property (Square Foot) | ft²	1,719
Operating Leases, Monthly Rental Rate	$ 59,000
Netherlands Office Lease [Member]
Operating Leases, Annual Rental Rate		$ 4,600

X

- Definition

Represents annual rental rate for operating leases.

+ References

No definition available.

+ Details

Name:	dyai_OperatingLeasesAnnualRentalRate
Namespace Prefix:	dyai_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Represents monthly rental rate for operating lease.

+ References

No definition available.

+ Details

Name:	dyai_OperatingLeasesMonthlyRentalRate
Namespace Prefix:	dyai_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfRealEstateProperty
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:areaItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_LeaseContractualTermAxis=dyai_The1044NLeaseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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