Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 37,378	$ 26,690
Net investment in lease, current	515	0
Prepaid expenses and other current assets	2,526	9,712
Current assets, discontinued operations (note 3)	528	45,714
Total current assets	40,947	82,116
Non-current assets:
Property and equipment—net	0	10,513
Operating lease right-of-use assets	2,502	13,051
Net investment in lease, non-current	2,149	0
Other assets	518	1,332
Non-current assets, discontinued operations (note 3)	0	2,407
Total non-current assets	5,169	27,303
Total assets	46,116	109,419
Current liabilities:
Accounts payable	517	548
Accrued expenses and other current liabilities	7,864	1,234
Current lease liabilities	1,934	6,777
Current liabilities, discontinued operations (note 3)	744	32,083
Total current liabilities	11,059	40,642
Non-current liabilities:
Non-current lease liabilities	4,346	15,492
Convertible Notes	8,187	0
Non-current liabilities, discontinued operations (note 3)	0	17,371
Total non-current liabilities	12,533	32,863
Total liabilities	23,592	73,505
Commitments and contingencies (Note 10)
Stockholders’ equity:
Treasury stock (10,999 shares as of June 30, 2026 and no shares as of December 31, 2025)	0	0
Additional paid-in capital	621,416	601,587
Accumulated other comprehensive loss	0	(3,874)
Accumulated deficit	(598,893)	(561,800)
Total stockholders’ equity	22,524	35,914
Total liabilities and stockholders’ equity	46,116	109,419
Common Class A [Member]
Stockholders’ equity:
Common Stock	1	1
Common Class B [Member]
Stockholders’ equity:
Common Stock	$ 0	$ 0

Amount of accrued expenses and other current liabilities.

No definition available.

Name:	bird_AccruedExpensesAndOtherLiabilitiesCurrent
Namespace Prefix:	bird_
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).