Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2025	Jun. 30, 2024
Current assets:
Cash and cash equivalents	$ 14,596	$ 70,396
Investments in marketable debt securities	72,296	56,478
Prepaid expenses and other	1,843	1,779
Total current assets	88,735	128,653
Long-term assets:
Deposits and other	2,925	1,838
Investments in marketable debt securities	1,514	263
Right-of-use assets	1,485	1,880
Property and equipment, net	80	103
Total assets	94,739	132,737
Current liabilities:
Accounts payable	6,502	4,901
Accrued liabilities:
Accrued clinical and other	2,366	2,325
Compensation and benefits	1,044	1,812
Current portion of operating lease liabilities	615	568
Total current liabilities	10,527	9,606
Long-term liabilities:
Operating lease liabilities, net of current portion	1,160	1,660
Embedded derivative liability	483	468
Total liabilities	12,170	11,734
Commitments and contingencies (Notes 5, 9 and 10)
Shareholders' equity:
Preferred stock, $0.001 par value; 400,000 shares authorized; no shares issued
Common stock, $0.001 par value; 165,000,000 and 100,000,000 shares authorized; issued and outstanding 60,542,914 and 53,245,824 shares as of March 31, 2025 and as of June 30, 2024, respectively	61	53
Additional paid-in capital	461,931	450,473
Accumulated other comprehensive income (loss)	43	(79)
Accumulated deficit	(379,466)	(329,444)
Total shareholders' equity	82,569	121,003
Total liabilities and shareholders' equity	$ 94,739	$ 132,737

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).