Consolidated Balance Sheets - USD ($)	Dec. 31, 2024	Jun. 30, 2024
Current assets:
Cash and cash equivalents	$ 3,416,604	$ 9,527,396
Prepaid expenses and other current assets	253,113	242,272
Total current assets	3,669,717	9,769,668
Property and equipment, net	235,741	388,361
Right-of-use assets - operating leases	347,644	527,321
Other assets	56,916	56,916
Total assets	4,310,018	10,742,266
Current liabilities:
Accounts payable	6,718,233	4,101,929
Accrued expenses	1,650,700	4,185,046
Short-term operating lease liabilities	257,673	380,542
Short-term finance lease liabilities	0	46,014
Other current liabilities	932,150	944,150
Total current liabilities	9,558,756	9,657,681
Long-term operating lease liabilities	100,071	163,782
Other long-term liabilities	1,032,300	1,032,300
Total liabilities	10,691,127	10,853,763
Stockholders' deficiency:
Common stock of $0.01 par value - authorized 300,000,000 shares issued and outstanding 23,455,846 shares as of December 31, 2024 and 17,926,640 shares as of June 30, 2024	234,558	179,266
Additional paid-in capital	445,416,974	441,475,747
Accumulated deficit	(452,032,681)	(441,766,550)
Total stockholders' deficiency	(6,381,109)	(111,497)
Total liabilities and stockholders' deficiency	4,310,018	10,742,266
Series A Convertible Preferred Stocks [Member]
Stockholders' deficiency:
Preferred stock of $0.01 par value - authorized 10,000,000 shares: shares issued and outstanding designated as follow Series A Convertible: authorized 4,030 shares as of December 31, 2024: issued and outstanding 4,030 shares as of December 31, 2024 and June 30, 2024	$ 40	$ 40

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).

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).