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, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Outside contracted services	$ 1,616,605	$ 2,036,753	$ 2,752,161	$ 3,695,947
Personnel related costs	199,475	149,587	406,265	297,749
Facilities, overhead and other	14,718	22,902	15,234	23,644
Research And Development Expense, Including Related Party	$ 1,830,798	$ 2,209,242	$ 3,173,660	$ 4,017,340

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

No definition available.

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