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Purchase of interest in Aerex Industries, Inc. (Details 2) - Aerex Industries Inc [Member] | Feb. 11, 2016 USD ($)
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Business Acquisition [Line Items] |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | $ 5,900,000
Trade name [Member] |
Business Acquisition [Line Items] |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | $ 1,400,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 15 years
Non-compete agreement [Member] |
Business Acquisition [Line Items] |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | $ 400,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 5 years
Certifications/programs [Member] |
Business Acquisition [Line Items] |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | $ 2,000,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 3 years
Customer backlog [Member] |
Business Acquisition [Line Items] |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | $ 100,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 1 year
Customer relationships [Member] |
Business Acquisition [Line Items] |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | $ 2,000,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 4 years

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