Condensed Balance Sheets (unaudited) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 239,616	$ 230,784
Short-term investments	122,250	135,563
Accounts receivable, net	9,136	0
Inventory	151	0
Prepaid expenses and other current assets	12,005	8,927
Total current assets	383,158	375,274
Property and equipment, net	196	208
Operating lease right-of-use asset	164	352
Intangible assets, net	16,802	0
Deposits and other long-term assets	117	214
Total assets	400,437	376,048
Current Liabilities:
Accounts payable	6,444	2,576
Accrued expenses and other current liabilities	87,072	26,524
Current portion of operating lease liability	190	408
Total current liabilities	93,706	29,508
Total liabilities	93,706	29,508
Commitments and contingencies (Note 6)
Stockholders' equity
Common stock, $0.0001 par value; 500,000,000 shares authorized as of June 30, 2024 and December 31, 2023; 87,692,916 and 87,227,132 shares issued and outstanding as of June 30, 2024 and December 31, 2023, respectively	9	9
Additional paid-in-capital	832,148	805,107
Accumulated other comprehensive (loss) income	(22)	9
Accumulated deficit	(525,404)	(458,585)
Total stockholders' equity	306,731	346,540
Total liabilities and stockholders' equity	$ 400,437	$ 376,048

Deposits and other long-term assets Non current.

No definition available.

Name:	dawn_DepositsAndOtherLongtermAssetsNonCurrent
Namespace Prefix:	dawn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).