Condensed Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 87,952	$ 176,866
Prepaid expenses and other current assets	5,646	2,315
Total current assets	93,598	179,181
Property and equipment, net	4,228	5,159
Operating lease right-of-use assets	7,595	9,714
Restricted cash	369	370
Other assets	4,629	5,503
Total assets	110,419	199,927
Current liabilities:
Accounts payable	8,987	6,851
Accrued expenses and other current liabilities	15,893	13,543
Operating lease liabilities, current	2,692	2,466
Total current liabilities	27,572	22,860
Operating lease liabilities, non-current	6,875	7,830
Total liabilities	34,447	30,690
Commitments and contingencies (Note 7)
Stockholders' equity
Preferred stock, $0.0001 par value; 10,000,000 shares authorized as of September 30, 2024 and December 31, 2023; 0 shares issued and outstanding as of September 30, 2024 and December 31, 2023
Common stock, $0.0001 par value; 300,000,000 shares authorized as of September 30, 2024 and December 31, 2023; 36,238,280 and 35,866,610 shares issued and outstanding as of September 30, 2024 and December 31, 2023, respectively	4	4
Additional paid-in capital	433,917	418,058
Accumulated deficit	(357,949)	(248,825)
Total stockholders' equity	75,972	169,237
Total liabilities and stockholders' equity	$ 110,419	$ 199,927

Accrued expenses and other current liabilities.

No definition available.

Name:	bmea_AccruedExpensesAndOtherCurrentLiabilities
Namespace Prefix:	bmea_
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).