Stock-Based Compensation And Stock Options (Schedule Of Stock Options Outstanding) (Details) (USD $)	9 Months Ended
	Jul. 31, 2013
Exercise Price Of Stock Options [Line Items]
Number Outstanding and Subject to Exercise	190,020
Weighted Average Remaining Contractual Life	1 year 4 months 21 days
Number Subject to Exercise	184,120
Exercise Price $2.00 [Member]
Exercise Price Of Stock Options [Line Items]
Exercise Prices	$ 2.00
Number Outstanding and Subject to Exercise	1,150
Weighted Average Remaining Contractual Life	2 months 5 days
Number Subject to Exercise	1,150
Exercise Price $5.08 [Member]
Exercise Price Of Stock Options [Line Items]
Exercise Prices	$ 5.08
Number Outstanding and Subject to Exercise	9,000
Weighted Average Remaining Contractual Life	2 years 9 months 26 days
Number Subject to Exercise	9,000
Exercise Price $5.16 [Member]
Exercise Price Of Stock Options [Line Items]
Exercise Prices	$ 5.16
Number Outstanding and Subject to Exercise	30,250
Weighted Average Remaining Contractual Life	2 years 26 days
Number Subject to Exercise	30,250
Exercise Price $6.23 [Member]
Exercise Price Of Stock Options [Line Items]
Exercise Prices	$ 6.23
Number Outstanding and Subject to Exercise	24,500
Weighted Average Remaining Contractual Life	9 months 15 days
Number Subject to Exercise	24,500
Exercise Price $6.60 [Member]
Exercise Price Of Stock Options [Line Items]
Exercise Prices	$ 6.60
Number Outstanding and Subject to Exercise	14,160
Weighted Average Remaining Contractual Life	1 year 22 days
Number Subject to Exercise	14,160
Exercise Price $6.76 [Member]
Exercise Price Of Stock Options [Line Items]
Exercise Prices	$ 6.76
Number Outstanding and Subject to Exercise	5,900
Weighted Average Remaining Contractual Life	9 years 3 months 15 days
Exercise Price $7.79 [Member]
Exercise Price Of Stock Options [Line Items]
Exercise Prices	$ 7.79
Number Outstanding and Subject to Exercise	41,500
Weighted Average Remaining Contractual Life	2 months 5 days
Number Subject to Exercise	41,500
Exercise Price $7.86 [Member]
Exercise Price Of Stock Options [Line Items]
Exercise Prices	$ 7.86
Number Outstanding and Subject to Exercise	63,560
Weighted Average Remaining Contractual Life	1 year 3 months
Number Subject to Exercise	63,560