Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025
Current assets:
Cash and cash equivalents	$ 598,912	$ 713,971
Accounts receivable	1,936	2,084
Prepaid expenses and other current assets	50,915	51,705
Total current assets	651,763	767,760
Property and equipment, net	737	844
Other assets	8,940	7,618
Total assets	661,440	776,222
Current liabilities:
Accounts payable	7,843	17,656
Accrued expenses and other current liabilities	45,057	51,119
Total current liabilities	52,900	68,775
Total liabilities	52,900	68,775
Commitments and contingencies (Note 10)
Stockholders’ equity:
Common stock, par value $0.0001 per share, 500,000,000 shares authorized, 171,069,176 shares issued and outstanding at June 30, 2025 and 500,000,000 shares authorized, 170,111,593 shares issued and outstanding at March 31, 2025	16	16
Additional paid-in capital	1,966,923	1,945,495
Accumulated other comprehensive income	1,737	1,459
Accumulated deficit	(1,360,136)	(1,239,523)
Total stockholders’ equity	608,540	707,447
Total liabilities and stockholders’ equity	661,440	776,222
Series A preferred stock
Stockholders’ equity:
Preferred stock	0	0
Preferred Stock
Stockholders’ equity:
Preferred stock	$ 0	$ 0

Accrued Liabilities And Other Liabilities, Current

No definition available.

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Namespace Prefix:	imvt_
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).