Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Feb. 28, 2018	Feb. 28, 2017	Feb. 28, 2018	Feb. 28, 2017
Revenues	$ 45,041	$ 37,284	$ 87,212	$ 74,491
Cost of revenues	32,592	26,713	62,584	53,364
Gross margin	12,449	10,571	24,628	21,127
Operating expenses:
Selling, general and administrative expenses	10,477	9,310	20,817	18,697
Income from operations	1,972	1,261	3,811	2,430
Other (expense) income:
Net gain (loss) on trading securities	48	(23)	251	(126)
Interest and other income (expense)	(130)	(31)	(231)	(35)
Total other (expense) income	(82)	(54)	20	(161)
Income before income taxes	1,890	1,207	3,831	2,269
Provision for income taxes	571	459	1,317	861
Net income	1,319	748	2,514	1,408
Cumulative preferred stock dividend	(19)	(19)	(38)	(38)
Net income attributable to common shareholders	$ 1,300	$ 729	$ 2,476	$ 1,370
Basic and diluted earnings per share:	$ 0.27	$ 0.15	$ 0.51	$ 0.28
Basic and diluted weighted average common shares outstanding	4,861,590	4,861,590	4,861,590	4,861,590

The amount of interest income (expenses) and other income (expenses) recognized during the period.

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The aggregate cost of goods produced and sold and services rendered during the reporting period.

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The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

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The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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

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The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.

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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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Amount of gain (loss) realized from securities classified as trading.

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Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).

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