Consolidated Statements of Stockholders' Equity - USD ($)	Total	Common stock	Additional paid-in capital	Accumulated other comprehensive income	Preferred stock	Accumulated deficit
Beginning Balance at Jun. 30, 2022	$ 11,795,000	$ 1,000	$ 135,575,000	$ 21,000	$ 12,554,000	$ (136,356,000)
Beginning Balance, shares at Jun. 30, 2022		1,311,000
Issuance of shares and warrants - net of issue costs	$ 1,903,000	$ 1,000	$ 1,902,000
Issuance of shares and warrants - net of issue costs, shares		262,000
Issuance of shares for services	110,000		110,000
Issuance of shares for services, shares		$ 16,000
Conversion of Series C Preferred stock to common stock			$ 1,909,000		(1,909,000)
Conversion of Series C preferred stock to common stock, shares		45,000
Additional shares issued on reverse stock split, shares		15,000
Stock option expense	$ 1,490,000		1,490,000
Restricted stock unit expense	90,000		90,000
Series A preferred cash dividend	(8,000)					(8,000)
Series B preferred stock dividend			362,000			(362,000)
Series B preferred stock dividend, shares		43,000
Net loss for the year	(14,649,000)					(14,649,000)
Ending Balance at Jun. 30, 2023	731,000	$ 2,000	141,438,000	21,000	10,645,000	(151,375,000)
Ending Balance, shares at Jun. 30, 2023		1,692,000
Issuance of shares and warrants - net of issue costs	10,576,000	$ 53,000	10,523,000
Issuance of shares and warrants - net of issue costs, shares		53,551,000
Issuance of shares on vesting of restricted stock units, shares		4,000
Conversion of Series C Preferred stock to common stock	393,000		393,000		(393,000)
Conversion of Series C preferred stock to common stock, shares		9,000
Stock option expense	607,000		607,000
Restricted stock unit expense	171,000		171,000
Series A preferred cash dividend	(8,000)					(8,000)
Series C Preferred Stock Dividend			173,000			(173,000)
Series C Preferred Stock Dividend Shares		49,000
Net loss for the year	(8,320,000)					(8,320,000)
Ending Balance at Jun. 30, 2024	$ 3,757,000	$ 55,000	$ 153,305,000	$ 21,000	$ 10,252,000	$ (159,876,000)
Ending Balance, shares at Jun. 30, 2024		55,305,000