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Note 1 - Organization and Summary of Significant Accounting Policies - Research and Development Costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Outside contracted services	$ 395,188	$ 748,139	$ 783,434	$ 1,391,186
Personnel related costs	106,889	147,414	213,216	299,608
Facilities, overhead and other	13,552	21,999	41,702	37,324
Research And Development Expense, Including Related Party	$ 515,629	$ 917,552	$ 1,038,352	$ 1,728,118

X

- Definition

Represents facilities, overhead and other for research and development expense.

+ References

No definition available.

+ Details

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

X

- Definition

Represents research and development expense including related party.

+ References

No definition available.

+ Details

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

X

- Definition

Represents outside contracted services for research and development expense.

+ References

No definition available.

+ Details

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

X

- Definition

Represents personnel related costs for research and development expenses.

+ References

No definition available.

+ Details

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