Condensed consolidated balance sheets - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 110,004	$ 84,220
Marketable securities - current	182,814	200,450
Accounts receivable	7,179	5,936
Prepaid expenses	14,688	8,736
Interest receivable	1,540	1,969
Other current assets	6,313	4,389
Total current assets	322,538	305,700
Marketable securities - long-term	61,502	106,260
Restricted cash - long-term	3,227	227
Operating right-of-use assets	1,870	3,101
Property and equipment, net	4,829	3,146
Total assets	393,966	418,434
Current liabilities:
Accounts payable	4,794	4,939
Accrued and other current liabilities	28,613	41,035
Deferred revenue - current portion	8,523	11,901
Total current liabilities	41,930	57,875
Deferred revenue - net of current portion	5,652	6,961
Other long-term liabilities	837	1,141
Total long-term liabilities	6,489	8,102
Total liabilities	48,419	65,977
Commitments and contingencies (Note 6)
Stockholders’ equity
Common stock, par value of $0.0001 per share; 300,000,000 shares authorized, 62,402,595 and 58,921,999 shares issued and outstanding as of June 30, 2026 and December 31, 2025, respectively	6	5
Additional paid-in capital	955,419	849,624
Accumulated other comprehensive (loss) income	(542)	543
Accumulated deficit	(609,336)	(497,715)
Total stockholders’ equity	345,547	352,457
Total liabilities and stockholders’ equity	$ 393,966	$ 418,434

Accrued and other current liabilities.

No definition available.

Name:	stok_AccruedAndOtherCurrentLiabilities
Namespace Prefix:	stok_
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).