Business Combination - Additional Information (Detail)	1 Months Ended	6 Months Ended	12 Months Ended
	Jun. 06, 2014 USD ($) shares	Jun. 30, 2015 USD ($) shares	Dec. 31, 2014 USD ($) shares
Business Acquisition [Line Items]
Stockholders' equity note, stock split, conversion ratio		1.4139
Common Stock, Shares, Issued	20,018,028	36,518,792	27,997,128
Common Stock, Shares, Outstanding	20,018,028	36,518,792	27,997,128
Class of Warrant or Right, Outstanding	700,937
Initial Amount Of Contingent Note | $	$ 11,000,000
Debt Instrument, Face Amount | $	$ 300,000	$ 4,400,000
Business Acquisition, Goodwill, Expected Tax Deductible Amount | $		8,858,504
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill | $		$ 1,342,000
Finite-Lived Intangible Asset, Useful Life		5 years
Business Combination, Acquisition Related Costs | $		$ 1,237,641
Asset Impairment Charges | $			$ 686,350
Series A Preferred Stock [Member]
Business Acquisition [Line Items]
Preferred Stock, Shares Issued	6,176,748
Preferred Stock, Shares Outstanding	6,176,748
Preferred Class B [Member]
Business Acquisition [Line Items]
Preferred Stock, Shares Issued	2,231
Preferred Stock, Shares Outstanding	2,231
Placement Agents [Member]
Business Acquisition [Line Items]
Class of Warrant or Right, Outstanding	238,412