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Note 5 - Commitments and Contingencies (Details Textual) |  |  | 12 Months Ended
--- | --- | --- | ---
Nov. 09, 2021 EUR (€) | Jun. 28, 2019 EUR (€) | Dec. 31, 2021 USD ($) a
VTT Technical Research Centre of Finland Ltd [Member] |  |  |
Commitment Development Period (Year) |  | 3 years |
Commitment Success Bonus Award |  | € 350,000 |
Commitment To Pay, Expanded | € 191,700 |  |
Commitment To Pay, Expanded, Period (Year) | 6 years |  |
Jupiter Florida Headqauarters Lease [Member] |  |  |
Area of Real Estate Property (Acre) | a |  |  | 2,000
Operating Leases, Monthly Rental Rate | $ |  |  | $ 4,400
Netherlands Office Lease [Member] |  |  |
Operating Leases, Annual Rental Rate | $ |  |  | $ 4,000
Commitment To Pay |  | € 2.52 |

X
- Definition Represents commitment development period + References No definition available. + Details
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Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents commitment success bonus award. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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X
- Definition Represents commitment to pay. + References No definition available. + Details
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Namespace Prefix: | dyai_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents expanded commitment to pay. + References No definition available. + Details
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Namespace Prefix: | dyai_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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X
- Definition Area of a real estate property. + References No definition available. + Details
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- Details
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Namespace Prefix: |
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Balance Type: |
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X
- Details
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Balance Type: |
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X
- Details
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Period Type: |