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v3.25.1

Note 2 - Cash, Cash Equivalents, and Investments (Details Textual) - USD ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Corporate Debt Securities [Member] |  |
Debt Securities, Held-to-maturity, Securities Purchased, Discount | $ 78,770 | $ 39,012

X
- Definition Represents securities that were purchased at a discount. + References No definition available. + Details
Name: | dyai_DebtSecuritiesHeldtomaturitySecuritiesPurchasedDiscount
Namespace Prefix: | dyai_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |