Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2026	Jun. 30, 2025
Current assets:
Cash and cash equivalents	$ 10,615	$ 94,107
Investments in marketable debt securities	97,186	73,751
Prepaid expenses and other	2,710	3,287
Total current assets	110,511	171,145
Long-term assets:
Deposits and other	1,528	2,925
Right-of-use assets	769	1,348
Property and equipment, net	41	72
Total assets	112,849	175,490
Current liabilities:
Accounts payable	5,026	5,809
Accrued liabilities:
Accrued clinical and other	3,697	3,202
Compensation and benefits	2,037	2,269
Current portion of operating lease liabilities	658	632
Total current liabilities	11,418	11,912
Long-term liabilities:
Embedded derivative liability	468	468
Operating lease liabilities, net of current portion	276	983
Total liabilities	12,162	13,363
Commitments and contingencies (Notes 5, 10 and 11)
Shareholders' equity:
Preferred stock, $0.001 par value per share; 400,000 shares authorized; no shares issued
Common stock, $0.001 par value per share; 165,000,000 shares authorized; issued and outstanding 96,405,982 and 86,995,985 shares as of June 30, 2026 and 2025, respectively	96	87
Additional paid-in capital	582,152	565,903
Accumulated other comprehensive loss	(119)	(7)
Accumulated deficit	(481,442)	(403,856)
Total shareholders' equity	100,687	162,127
Total liabilities and shareholders' equity	$ 112,849	$ 175,490

Amount of accrued for clinical liabilities.

No definition available.

Name:	rzlt_AccruedClinicalCurrent
Namespace Prefix:	rzlt_
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).