Consideration Transferred (Detail) (USD $)	0 Months Ended	12 Months Ended
Jun. 02, 2014	Dec. 31, 2014	Jun. 02, 2014
Business Acquisition [Line Items]
Cash consideration, less $66,277 of working capital adjustments reflected in other receivables as of December 31, 2014	$ 21,169,660	$ 21,235,937
Value of common stock issued	4,000,000
Estimated fair value of contingent consideration			1,370,000
Total consideration transferred	$ 26,539,660

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Amount of liability recognized arising from contingent consideration in a business combination.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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