Note 1 - Organization and Summary of Significant Accounting Policies - Research and Development Costs (Details) - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Outside contracted services	$ 1,700,280	$ 846,564	$ 5,396,227	$ 2,431,200
Personnel related costs	174,856	131,553	472,605	394,706
Facilities, overhead and other	26,412	7,937	50,056	31,764
Research And Development Expense, Including Related Party	$ 1,901,548	$ 986,054	$ 5,918,888	$ 2,857,670

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