Estimated Revised Purchase Price Allocation (Detail) (Spitfire, USD $)	May 31, 2012
Estimated purchase price allocation
Cash	$ 1,142,597
Current assets	10,074,168
Property, machinery and equipment	1,400,250
Current liabilities	(3,037,607)
Goodwill	3,222,899
Total Net Assets	18,944,307
Customer relationships
Estimated purchase price allocation
Intangible assets	4,690,000
Backlog
Estimated purchase price allocation
Intangible assets	22,000
Trade names
Estimated purchase price allocation
Intangible assets	980,000
Non-compete agreements
Estimated purchase price allocation
Intangible assets	50,000
Patents
Estimated purchase price allocation
Intangible assets	$ 400,000

The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

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The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.

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The amount of acquisition cost of a business combination allocated to current assets.

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The amount of cash and cash equivalents acquired in a business combination.

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The amount of acquisition cost of a business combination allocated to current liabilities of the acquired entity.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 98-1

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 52

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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The amount of acquisition cost of a business combination allocated to property, plant and equipment to be used in ongoing operations.

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