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Income tax at the federal statutory rate is reconciled (Detail) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016
Income taxes at federal statutory rate	$ 136	$ (1,592)
State tax provision, net of federal tax benefit	16	(53)
Nondeductible differences:
Goodwill and other intangible asset impairment	0	916
Rel-Tech earn-out	(9)	52
Qualified domestic production activities deduction	(66)	46
ISO stock options	33	52
Meals and entertainment	21	29
Temporary true-ups	26	0
State tax refunds, net of federal expense	(4)	(38)
R& D credits	(37)	(46)
Other	18	(18)
Net provision (benefit) for income taxes	$ 134	$ (652)
Income taxes at federal statutory rate (% of Pretax Income)	34.00%	34.00%
State tax provision, net of federal tax benefit (% of Pretax Income)	4.00%	1.10%
Nondeductible differences: (% of Pretax Income)
Goodwill and other intangible asset impairment (% of Pretax Income)	0.00%	(19.60%)
Rel-Tech earn-out (% of Pretax Income)	(2.30%)	(1.10%)
Qualified domestic production activities deduction (% of Pretax Income)	(16.50%)	(1.00%)
ISO stock options (% of Pretax Income)	8.30%	(1.10%)
Meals and entertainment (% of Pretax Income)	5.30%	(0.60%)
Temporary true-ups (% of Pretax Income)	6.40%	0.00%
State tax refunds, net of federal expense (% of Pretax Income)	(0.80%)	0.80%
R& D credits (% of Pretax Income)	(9.30%)	1.00%
Other (% of Pretax Income)	4.40%	0.40%
Net provision (benefit) for income taxes (% of Pretax Income)	33.50%	13.90%

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