Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 181,172	$ 312,012
Short-term marketable securities	611,128	588,753
Prepaid expenses and other current assets	12,520	9,590
Total current assets	804,820	910,355
Operating lease, right-of-use assets	22,596	18,078
Property and equipment, net	4,775	5,457
Restricted cash	416	416
Other assets	1,939	3,301
Total assets	834,546	937,607
Current liabilities:
Accounts payable	7,488	9,504
Accrued expenses and other current liabilities	50,319	52,902
Operating lease liabilities	1,489	1,547
Total current liabilities	59,296	63,953
Convertible senior notes, net	223,457	222,895
Operating lease liabilities, net of current portion	19,315	14,355
Other liabilities	90	33
Total liabilities	302,158	301,236
Commitments and contingencies (Note 7)
Stockholders’ equity:
Preferred stock, value
Common stock, $0.001 par value; 300,000,000 shares authorized; 171,598,409 and 160,980,024 shares issued and outstanding at June 30, 2026 and December 31, 2025, respectively	171	161
Additional paid-in capital	1,850,411	1,734,882
Accumulated other comprehensive income (loss)	(770)	355
Accumulated deficit	(1,382,177)	(1,188,420)
Total stockholders’ equity	532,388	636,371
Total liabilities and stockholders’ equity	834,546	937,607
Series A Convertible Preferred Stock [Member]
Stockholders’ equity:
Preferred stock, value	29,190	53,830
Series B Convertible Preferred Stock [Member]
Stockholders’ equity:
Preferred stock, value	$ 35,563	$ 35,563

Sum of the carrying values as of the balance sheet date of accrued expenses and other current liabilities.

No definition available.

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Namespace Prefix:	cogt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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).