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Description of the Business - Additional Information (Detail) (USD $)	3 Months Ended	130 Months Ended	0 Months Ended
	Mar. 31, 2014	Mar. 31, 2014	Jan. 15, 2014 IPO [Member]
Schedule To Nature Of Business [Line Items]
Sale of common stock through Initial public offering			8,050,000
Price of common stock under IPO			$ 8.00
Proceeds from issuance of common stock	$ 57,256,393	$ 57,256,393	$ 57,300,000

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Amount per share or per unit assigned to the consideration received of equity securities issued for development stage entities.

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The cash inflow from the additional capital contribution to the entity.

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Number of new stock issued during the period.

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