Statements of Operations (Unaudited) (USD $)	3 Months Ended
Aug. 31, 2014	Aug. 31, 2013
Income Statement [Abstract]
Sales, net	$ 6,551,382	$ 5,296,666
Cost of goods sold	4,866,275	4,017,565
Gross profit	1,685,107	1,279,101
Selling, general and administrative expenses	1,086,679	1,025,186
Operating income	598,428	253,915
Other income, net	3,878	8,348
Income before provision for income taxes	602,306	262,263
Provision for income taxes	210,000	61,000
Net income	$ 392,306	$ 201,263
Basic and diluted earnings per common share	$ 0.12	$ 0.06

Total costs related to goods produced and sold 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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This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and 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 net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items.

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Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

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