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CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2015	Apr. 30, 2014
Net sales	$ 8,076us-gaap_Revenues	$ 5,764us-gaap_Revenues	$ 14,969us-gaap_Revenues	$ 11,614us-gaap_Revenues
Cost of sales	5,007us-gaap_CostOfGoodsSold	3,012us-gaap_CostOfGoodsSold	9,400us-gaap_CostOfGoodsSold	6,280us-gaap_CostOfGoodsSold
Gross profit	3,069us-gaap_GrossProfit	2,752us-gaap_GrossProfit	5,569us-gaap_GrossProfit	5,334us-gaap_GrossProfit
Operating expenses:
Engineering	225us-gaap_ResearchAndDevelopmentExpense	214us-gaap_ResearchAndDevelopmentExpense	442us-gaap_ResearchAndDevelopmentExpense	470us-gaap_ResearchAndDevelopmentExpense
Selling and general	2,121us-gaap_SellingGeneralAndAdministrativeExpense	1,775us-gaap_SellingGeneralAndAdministrativeExpense	4,378us-gaap_SellingGeneralAndAdministrativeExpense	3,762us-gaap_SellingGeneralAndAdministrativeExpense
Totals	2,346us-gaap_OperatingExpenses	1,989us-gaap_OperatingExpenses	4,820us-gaap_OperatingExpenses	4,232us-gaap_OperatingExpenses
Operating income	723us-gaap_OperatingIncomeLoss	763us-gaap_OperatingIncomeLoss	749us-gaap_OperatingIncomeLoss	1,102us-gaap_OperatingIncomeLoss
Other income - interest	10us-gaap_InvestmentIncomeInterest	7us-gaap_InvestmentIncomeInterest	15us-gaap_InvestmentIncomeInterest	14us-gaap_InvestmentIncomeInterest
Income from continuing operations before provision for income taxes	733us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	770us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	764us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1,116us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Provision for income taxes	286us-gaap_IncomeTaxExpenseBenefit	310us-gaap_IncomeTaxExpenseBenefit	264us-gaap_IncomeTaxExpenseBenefit	393us-gaap_IncomeTaxExpenseBenefit
Income from continuing operations	447us-gaap_IncomeLossFromContinuingOperations	460us-gaap_IncomeLossFromContinuingOperations	500us-gaap_IncomeLossFromContinuingOperations	723us-gaap_IncomeLossFromContinuingOperations
Income from discontinued operations, net of tax	1us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	18us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	14us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	19us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
Net income	$ 448us-gaap_NetIncomeLoss	$ 478us-gaap_NetIncomeLoss	$ 514us-gaap_NetIncomeLoss	$ 742us-gaap_NetIncomeLoss
Earnings per share - Basic:
Continuing operations	$ 0.05us-gaap_IncomeLossFromContinuingOperationsPerBasicShare	$ 0.06us-gaap_IncomeLossFromContinuingOperationsPerBasicShare	$ 0.06us-gaap_IncomeLossFromContinuingOperationsPerBasicShare	$ 0.09us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
Discontinued operations	$ 0.00us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	$ 0.00us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	$ 0.00us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	$ 0.00us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare
Net income per share	$ 0.05us-gaap_EarningsPerShareBasic	$ 0.06us-gaap_EarningsPerShareBasic	$ 0.06us-gaap_EarningsPerShareBasic	$ 0.09us-gaap_EarningsPerShareBasic
Earnings per share - Diluted:
Continuing operations	$ 0.05us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare	$ 0.05us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare	$ 0.06us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare	$ 0.08us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
Discontinued operations	$ 0.00us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	$ 0.00us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	$ 0.00us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	$ 0.00us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare
Net income per share	$ 0.05us-gaap_EarningsPerShareDiluted	$ 0.05us-gaap_EarningsPerShareDiluted	$ 0.06us-gaap_EarningsPerShareDiluted	$ 0.08us-gaap_EarningsPerShareDiluted
Weighted average shares outstanding:
Basic	8,509,970us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	8,208,278us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	8,395,952us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	8,175,376us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Diluted	8,883,182us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	8,746,358us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	8,773,667us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	8,789,752us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

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Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.

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The net result for the period of deducting operating expenses from operating revenues.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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