Stock-Based Compensation Plans (Tables)

6 Months Ended

Jan. 31, 2013


	Three months ended January 31						Six months ended January 31
	2013			2012			2013			2012
Expected life (years)		10 years			10 years			10 years			10 years
Risk-free interest rate		1.7	%		2.0	%		1.7	%		2.1	%
Expected volatility		130.6	%		125.5	%		130.5	%		123.9	%
Expected forfeiture rate		11.7	%		24.8	%		13.5	%		21.2	%
Expected dividend yield		-	%		-	%		-	%		-	%
Weighted-average estimated
fair value of options granted
during the year	$	1.29		$	1.04		$	1.25		$	0.96

2000 Stock Option Plan [Member]


	Number of Options	Wtd. Avg. Exercise Price		Wtd. Avg. Remaining Contractual Period (Years)	Aggregate Instrinsic Value
Outstanding at 10/31/11	1,173,594	$	1.37	5.82	$	90,116
Granted	-		n/a	n/a		n/a
Exercised	(7,750)		0.65	n/a		n/a
Forfeited	(8,575)		0.85	n/a		n/a
Outstanding at 1/31/12	1,157,269	$	1.38	5.59	$	298,444
Exercisable at 1/31/12	981,552	$	1.50	5.10	$	167,097

Outstanding at 10/31/12	1,002,461	$	1.40	4.97	$	114,006
Granted	-		n/a	n/a		n/a
Exercised	(2,000)		0.35	n/a		n/a
Forfeited	(2,500)		0.73	n/a		n/a
Outstanding at 1/31/13	997,961	$	1.41	4.72	$	459,617
Exercisable at 1/31/13	922,374	$	1.47	4.72	$	375,251

	Number of Options	Wtd. Avg. Exercise Price		Wtd. Avg. Remaining Contractual Period (Years)	Aggregate Instrinsic Value
Outstanding at 7/31/11	1,236,333	$	1.36	6.10	$	34,041
Granted	-		n/a	n/a		n/a
Exercised	(20,950)		0.63	n/a		n/a
Forfeited	(58,114)		1.19	n/a		n/a
Outstanding at 1/31/12	1,157,269	$	1.38	5.59	$	298,444
Exercisable at 1/31/12	981,552	$	1.50	5.10	$	167,097

Outstanding at 7/31/12	1,099,769	$	1.41	5.06	$	105,849
Granted	-		n/a	n/a		n/a
Exercised	(12,800)		0.54	n/a		n/a
Forfeited	(89,008)		1.56	n/a		n/a
Outstanding at 1/31/13	997,961	$	1.41	4.72	$	459,617
Exercisable at 1/31/13	922,374	$	1.47	4.72	$	375,251

2010 Stock Option Plan [Member]


	Number of Options	Wtd. Avg. Exercise Price		Wtd. Avg. Remaining Contractual Period (Years)	Aggregate Instrinsic Value
Outstanding at 10/31/11	117,875	$	0.75	9.67	$	23,096
Granted	146,667		1.08	n/a		n/a
Exercised	-		n/a	n/a		n/a
Forfeited	(4,625)		0.61	n/a		n/a
Outstanding at 1/31/12	259,917	$	0.94	9.65	$	145,492
Exercisable at 1/31/12	21,188	$	0.66	9.11	$	17,838

Outstanding at 10/31/12	324,167	$	1.10	9.09	$	57,070
Granted	125,668		1.34	n/a		n/a
Exercised	-		n/a	n/a		n/a
Forfeited	(500)		0.65	n/a		n/a
Outstanding at 1/31/13	449,335	$	1.17	9.11	$	284,393
Exercisable at 1/31/13	111,460	$	1.09	9.11	$	79,585

	Number of Options	Wtd. Avg. Exercise Price		Wtd. Avg. Remaining Contractual Period (Years)	Aggregate Instrinsic Value
Outstanding at 7/31/11	54,250	$	0.67	9.64	$	5,570
Granted	210,667		1.00	n/a		n/a
Exercised	-		n/a	n/a		n/a
Forfeited	(5,000)		0.61	n/a		n/a
Outstanding at 1/31/12	259,917	$	0.94	9.65	$	145,492
Exercisable at 1/31/12	21,188	$	0.66	9.11	$	17,838

Outstanding at 7/31/12	310,667	$	1.10	9.28	$	41,962
Granted	145,668		1.29	n/a		n/a
Exercised	(3,000)		0.66	n/a		n/a
Forfeited	(4,000)		0.66	n/a		n/a
Outstanding at 1/31/13	449,335	$	1.17	9.11	$	284,393
Exercisable at 1/31/13	111,460	$	1.09	9.11	$	79,585