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STOCKHOLDERS' EQUITY - Initial Public Offering and Concurrent Private Placements - Additional Information (Details) (USD $)	9 Months Ended	0 Months Ended
	Sep. 30, 2014	Jul. 07, 2014 Common Stock Purchase Agreement	Jul. 07, 2014 IPO	Jul. 07, 2014 Private Placement	Jul. 07, 2014 Private Placement Common Stock Purchase Agreement	Jul. 29, 2014 Over-Allotment Option
Stockholder's Equity
Sale of common stock (in shares)		3,284,353	5,454,545	666,666	3,284,353	160,993
Share price (in dollars per share)			$ 6.00	$ 6.00		$ 6.00
Aggregate proceeds from sale of common stock			$ 32,700,000	$ 4,000,000
Net proceeds from sale of common stock		19,700,000	28,200,000	3,700,000	19,700,000
Stock issuance expenses	$ 3,129,584		$ 3,100,000

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Represents the gross proceeds received from the issuance of common stock during the period.

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The cash outflow for cost incurred directly with the issuance of an equity security.

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Price of a single share of a number of saleable stocks of a company.

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Number of new stock issued during the period.

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