CONSOLIDATED CONDENSED STATEMENTS OF INCOME (Unaudited (USD $) In Thousands, except Share data	3 Months Ended		9 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010
CONSOLIDATED CONDENSED STATEMENTS OF INCOME (Unaudited)
Net revenue	$ 21,017	$ 17,637	$ 60,310	$ 50,449
Cost of revenue	5,800	4,901	16,469	13,999
Gross margin	15,217	12,736	43,841	36,450
Operating expenses:
Selling, general and administrative	11,094	9,543	31,994	28,258
Research and development	1,097	896	3,644	3,097
Operating expenses	12,191	10,439	35,638	31,355
Operating income	3,026	2,297	8,203	5,095
Interest income	78	59	228	211
Income before provision for income taxes	3,104	2,356	8,431	5,306
Provision for income taxes	1,117	848	2,685	1,910
Net income	$ 1,987	$ 1,508	$ 5,746	$ 3,396
Basic earnings per share ( in dollars per share)	$ 0.17	$ 0.13	$ 0.50	$ 0.30
Diluted earnings per share ( in dollars per share)	$ 0.17	$ 0.13	$ 0.50	$ 0.30
Weighted average common shares outstanding:
- Basic (shares)	11,518	11,312	11,394	11,255
- Diluted (shares)	11,696	11,484	11,599	11,433