Note 13 - Stock-based Compensation (Tables)

6 Months Ended

Jan. 31, 2025

Notes Tables

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

	Number of Stock			Weighted Average
	Options			Exercise Price
Balance, July 31, 2024		5,103,339		$	2.66
Granted		24,415			6.21
Exercised		(173,375	)		2.85
Cancelled/Forfeited		(12,062	)		4.32
Balance, October 31, 2024		4,942,317			2.67
Granted		1,289			8.28
Exercised		(63,852	)		3.34
Cancelled/Forfeited		(22,524	)		4.37
Balance, January 31, 2025		4,857,230		$	2.66

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

	Three Months Ended January 31,				Six Months Ended January 31,
	2025		2024		2025		2024
Number of Options Exercised on a Cash Basis		2,438		100,425		48,713		289,675
Number of Options Exercised on a Non-Cash Basis		61,414		778,078		188,514		1,197,010
Total Number of Options Exercised		63,852		878,503		237,227		1,486,685
Number of Shares Issued on a Cash Basis		2,438		100,425		48,713		289,675
Number of Shares Issued on a Non-Cash Basis		35,627		569,574		110,389		826,185
Total Number of Shares Issued Upon Exercise of Options		38,065		669,999		159,102		1,115,860
Cash Received from Exercise of Stock Options	$	9	$	137	$	129	$	400
Total Intrinsic Value of Options Exercised	$	301	$	4,561	$	1,110	$	6,591

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, 2024		1,086,988		$	2.83
Granted		24,415			4.09
Cancelled/Forfeited		(12,062	)		2.85
Vested		(87,325	)		3.19
Balance, October 31, 2024		1,012,016		$	2.83
Granted		1,289			5.53
Cancelled/Forfeited		(22,449	)		2.89
Vested		(280,059	)		2.50
Balance, January 31, 2025		710,797		$	2.97

Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

Exercise Price	$	6.31
Expected Risk Free Interest Rate		3.52	%
Expected Volatility		79.77	%
Expected Life in Years		5
Expected Dividend Yield		0.00	%

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

	Options Outstanding						Options Exercisable
					Weighted						Weighted
					Average						Average
Range of			Weighted		Remaining				Weighted		Remaining
Exercise	Outstanding at		Average		Contractual		Exercisable at		Average		Contractual
Prices	January 31, 2025		Exercise Price		Term (Years)		January 31, 2025		Exercise Price		Term (Years)
$0.91 to $0.99		1,392,750	$	0.92		5.26		1,392,750	$	0.92		5.26
$1.00 to $1.99		475,000		1.10		5.45		475,000		1.10		5.45
$2.00 to $2.99		522,149		2.26		6.42		522,149		2.26		6.42
$3.00 to $3.99		1,976,654		3.61		7.65		1,630,427		3.64		7.56
$4.00 to $4.99		6,250		4.62		8.42		3,750		4.56		8.31
$5.00 to $5.99		408,580		5.48		9.46		104,268		5.47		9.43
$6.00 to $6.99		64,558		6.51		9.33		13,089		6.58		9.26
$7.00 to $7.99		10,000		7.63		8.97		5,000		7.63		8.97
$8.00 to $8.28		1,289		8.28		9.80		-		8.28		9.80
		4,857,230	$	2.66		6.80		4,146,433	$	2.32		6.46

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

	Number of
	Restricted Stock		Grant Date		Remaining Life		Aggregate
Grant Date	Units		Fair Value		(Years)		Intrinsic Value
May 1, 2022		19,608		4.25		0.33		138
July 29, 2022		92,015		3.98		0.58		650
July 31, 2023		413,593		3.32		1.58		2,920
January 2, 2024		778		6.44		2.01		5
January 22, 2024		8,919		7.63		0.06		63
March 13, 2024		2,288		6.49		0.20		16
April 1, 2024		20,000		7.07		2.25		141
July 26, 2024		610,091		5.49		2.57		4,307
September 1, 2024		1,063		5.23		0.67		8
October 1, 2024		16,103		6.21		2.75		114
November 5, 2024		2,230		7.12		1.84		16
November 5, 2024		14,344		7.12		2.84		101
November 18, 2024		431		8.28		0.88		3
January 6, 2025		5,874		7.06		3.02		41
January 27, 2025		2,122		7.07		3.07		15
		1,209,459	$	4.70		2.02	$	8,538

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

	Three Months Ended				Six Months Ended
	January 31,				January 31,
	2025		2024		2025		2024
Stock-Based Compensation for Consultants
Common stock issued to consultants	$	-	$	-	$	88	$	-
Amortization of stock option expenses		42		94		97		215
Amortization of RSU expenses		15		-		33		-
		57		94		218		215
Stock-Based Compensation for Management
Amortization of stock option expenses		172		160		379		368
Amortization of RSU and PRSU expenses		977		595		1,946		1,189
		1,149		755		2,325		1,557
Stock-Based Compensation for Employees
Amortization of stock option expenses		273		445		707		1,077
Amortization of RSU expenses		75		18		127		35
		348		463		834		1,112
	$	1,554	$	1,312	$	3,377	$	2,884