Note 12 - Stock-based Compensation (Tables)

3 Months Ended

Oct. 31, 2024

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

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

	Three Months Ended October 31,
	2024		2023
Number of Options Exercised on a Cash Basis		46,275		189,250
Number of Options Exercised on a Non-Cash Basis		127,100		418,932
Total Number of Options Exercised		173,375		608,182
Number of Shares Issued on a Cash Basis		46,275		189,250
Number of Shares Issued on a Non-Cash Basis		74,762		256,611
Total Number of Shares Issued Upon Exercise of Options		121,037		445,861
Cash Received from Exercise of Stock Options	$	120	$	264
Total Intrinsic Value of Options Exercised	$	809	$	2,030

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

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

Exercise Price	$	6.21
Expected Risk Free Interest Rate		3.48	%
Expected Volatility		79.75	%
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	October 31, 2024		Exercise Price		Term (Years)		October 31, 2024		Exercise Price		Term (Years)
$0.91 to $0.99		1,400,750	$	0.92		5.51		1,400,750	$	0.92		5.51
$1.00 to $1.99		475,000		1.10		5.71		475,000		1.10		5.71
$2.00 to $2.99		522,149		2.26		6.67		522,149		2.26		6.67
$3.00 to $3.99		2,041,229		3.61		7.91		1,458,559		3.68		7.68
$4.00 to $4.99		6,250		4.62		8.68		3,750		4.56		8.56
$5.00 to $5.99		422,381		5.48		9.71		57,556		5.45		9.64
$6.00 to $6.99		64,558		6.51		9.58		10,037		6.70		9.38
$7.00 to $7.63		10,000		7.63		9.23		2,500		7.63		9.23
		4,942,317	$	2.67		7.07		3,930,301	$	2.23		6.57

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 01, 2022		19,608		4.25		0.58		145
July 29, 2022		92,015		3.98		0.83		683
July 31, 2023		413,593		3.32		1.83		3,069
Jan 02, 2024		1,166		6.44		2.26		9
Jan 22, 2024		8,919		7.63		0.31		66
Mar 13, 2024		2,288		6.49		0.45		17
Apr 01, 2024		20,000		7.07		2.50		148
Jul 26, 2024		610,091		5.49		2.82		4,527
Sep 1, 2024		1,417		5.23		0.92		11
Oct 1, 2024		16,103		6.21		3.00		119
		1,185,200	$	4.65		2.25	$	8,794

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

	Three Months Ended
	October 31,
	2024		2023
Stock-Based Compensation for Consultants
Common stock issued to consultants	$	88	$	-
Amortization of stock option expenses		55		121
Amortization of RSU expenses		17		-
		160		121
Stock-Based Compensation for Management
Amortization of stock option expenses		207		208
Amortization of RSU and PRSU expenses		968		594
		1,175		802
Stock-Based Compensation for Employees
Amortization of stock option expenses		434		632
Amortization of RSU expenses		52		17
		486		649
	$	1,821	$	1,572