Note 13 - Capital Stock (Tables)

3 Months Ended

Oct. 31, 2022

Notes Tables

Schedule Of Share based Compensation Warrants Activity [Table Text Block]

	Number of Warrants			Weighted Average Exercise Price
Balance, July 31, 2022		3,615,454		$	1.92
Issuance of Replacement Warrants (Note 3,12)		4,660,580			2.80
Exercised		(3,410,898	)		1.80
Expired		(27,550	)		1.80
Balance, October 31, 2022		4,837,586		$	2.85

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

Weighted Average Exercise Price		Number of Warrants Outstanding		Weighted Average Remaining Contractual Life (Years)		Expiry Date
$	1.71		144,194		0.55	May 20, 2023
	1.64		25,000		0.55	May 21, 2023
	1.43		811,362		0.59	June 2, 2023
	3.15		3,675,212		1.85	September 7, 2024
	4.13		181,818		3.43	April 5, 2026
$	2.85		4,837,586		1.65

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

	Number of Stock Options			Weighted Average Exercise Price
Balance, July 31, 2022		8,880,527		$	1.58
Issuance of Replacement Options (Note 3)		2,301,750			1.90
Granted		5,000			4.23
Exercised		(2,331,222	)		1.61
Balance, October 31, 2022		8,856,055		$	1.65

Cash Proceeds Received and Tax Benefit from Share-Based Payment Awards [Table Text Block]

	Three Months Ended October 31,
	2022		2021
Number of Options Exercised on Cash Basis		138,537		344,998
Number of Options Exercised on Forfeiture Basis		2,192,685		685,545
Total Number of Options Exercised		2,331,222		1,030,543
Number of Shares Issued on Cash Exercise		138,537		344,998
Number of Shares Issued on Forfeiture Basis		1,266,064		408,992
Total Number of Shares Issued Upon Exercise of Options		1,404,601		753,990
Cash Received from Exercise of Stock Options	$	206	$	384
Total Intrinsic Value of Options Exercised	$	5,595	$	1,905

Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block]

	Number of Unvested Stock Options			Weighted Average Grant-Date Fair Value
Balance, July 31, 2022		2,186,154		$	1.79
Issuance of Replacement Options (Note 3)		2,301,750			1.75
Granted		5,000			2.70
Vested		(2,467,341	)		1.79
Balance, October 31, 2022		2,025,563		$	1.74

Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block]

			Options Outstanding						Options Exercisable
Range of Exercise Prices			Outstanding at October 31, 2022		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)		Exercisable at October 31, 2022		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)
$0.80	to	$0.99		3,688,374	$	0.92		7.28		3,688,374	$	0.92		7.28
$1.00	to	$1.99		2,703,500		1.30		4.47		2,261,832		1.34		3.83
$2.00	to	$2.99		1,028,814		2.22		7.91		554,643		2.22		7.23
$3.00	to	$3.99		1,430,367		3.80		8.68		325,643		3.77		5.81
$4.00	to	$4.23		5,000		4.23		9.98		-		4.23		9.98
				8,856,055	$	1.65		6.72		6,830,492	$	1.30		6.06

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

Grant Date	Number of Restricted Stock Units		Grant Date Fair Value		Remaining Life (Years)		Aggregate Intrinsic Value
July 16, 2020		217,498	$	0.91		0.71	$	916
July 21, 2021		271,746		2.15		1.72		1,144
May 01, 2022		58,824		4.25		2.50		248
July 29, 2022		287,966		3.98		2.75		1,212
		836,034	$	2.61		1.87	$	3,520

Share-Based Payment Arrangement, Cost by Plan [Table Text Block]

	Three Months Ended October 31,
	2022		2021
Stock-Based Compensation for Consultants
Common stock issued to consultants	$	148	$	305
Amortization of stock option expenses		228		80
		376		385
Stock-Based Compensation for Management
Amortization of stock option expenses		133		166
Amortization of RSU and PRSU expenses		354		262
		487		428
Stock-Based Compensation for Employees
Common stock issued to employees		247		272
Amortization of stock option expenses		673		296
Amortization of RSU expenses		38		-
		958		568
	$	1,821	$	1,381