Interim Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Jul. 31, 2023	378,452,864
Balance at Jul. 31, 2023	$ 378	$ 924,737	$ (289,680)	$ (3,608)	$ 631,827
Issued under ATM offerings, net of issuance costs (in shares)	10,770,000
Issued under ATM offerings, net of issuance costs	$ 11	56,259	0	0	$ 56,270
Issued upon exercise of stock options (in shares)	445,861				445,861
Issued upon exercise of stock options	$ 1	263	0	0	$ 264
Amortization of stock-based compensation	0	1,572	0	0	1,572
Net income (loss) for the period	0	0	3,321	0	3,321
Other comprehensive loss	$ 0	0	0	(11,049)	(11,049)
Balance (in shares) at Oct. 31, 2023	389,668,725
Balance at Oct. 31, 2023	$ 390	982,831	(286,359)	(14,657)	682,205
Balance (in shares) at Jul. 31, 2024	410,355,768
Balance at Jul. 31, 2024	$ 410	1,110,433	(318,901)	(13,829)	778,113
Issued under ATM offerings, net of issuance costs (in shares)	7,595,626
Issued under ATM offerings, net of issuance costs	$ 8	61,223	0	0	$ 61,231
Issued upon exercise of stock options (in shares)	121,037				121,037
Issued upon exercise of stock options	$ 0	120	0	0	$ 120
Issued upon exercise of warrants (in shares)	1,054,997
Issued upon exercise of warrants	$ 1	4,618	0	0	4,619
Common stock issued for consulting services (in shares)	15,000
Common stock issued for consulting services	$ 0	88	0	0	88
Amortization of stock-based compensation	0	1,733	0	0	1,733
Net income (loss) for the period	0	0	(20,158)	0	(20,158)
Other comprehensive loss	$ 0	0	0	(1,728)	(1,728)
Balance (in shares) at Oct. 31, 2024	419,142,428
Balance at Oct. 31, 2024	$ 419	$ 1,178,215	$ (339,059)	$ (15,557)	$ 824,018