Reverse Merger - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended	0 Months Ended
	Dec. 31, 2014	Apr. 04, 2014	Apr. 03, 2014
Business Acquisition [Line Items]
Value of shares issued on acquisitions	$ 5,064
Medite Enterprises, inc [Member]
Business Acquisition [Line Items]
Proceeds from private placement	1,500	1,529
Number of shares issued on acquisitions		14,687,500
Number of shares issued		955,875
Percentage of ownership interests acquired		100.00%
Reverse Acquisition Percentage Of Share Issued	81.10%
Business Combination Consideration Outstanding Shares		3,502,700
Business Combination Consideration Outstanding Shares Per Share		$ 1.60
In Process Research And Development Amortized Term		15 years
Medite Enterprises, inc [Member] | Accrued Payroll Settlement [Member]
Business Acquisition [Line Items]
Number of shares issued on acquisitions			697,234
Value of shares issued on acquisitions			1,610
Number of additional shares issued on acquisitions		312,500
Minimum [Member] | Medite Enterprises, inc [Member]
Business Acquisition [Line Items]
Proceeds from private placement	$ 2,000