Subsequent Events - Additional Information (Details) - USD ($) $ in Thousands	1 Months Ended
	May. 31, 2016	Apr. 30, 2016	Jan. 31, 2016
Subsequent Event [Line Items]
Warrants issued to purchase of ordinary shares			975,644
Warrants exercised to ordinary shares			315,155
Scenario, Forecast [Member]
Subsequent Event [Line Items]
Exercise of options and warrants (in shares)	1,349,489
Subsequent
Subsequent Event [Line Items]
Exercise of options and warrants (in shares)		1,349,489
Warrant | Scenario, Forecast [Member]
Subsequent Event [Line Items]
Conversion of preferred shares to ordinary shares	1,096,752
Warrants issued to purchase of ordinary shares	888,219
Warrants exercised to ordinary shares	635,482
Warrant | Subsequent
Subsequent Event [Line Items]
Conversion of preferred shares to ordinary shares		1,096,752
Warrants issued to purchase of ordinary shares		888,219
Warrants exercised to ordinary shares		635,482
Options And Warrants | Scenario, Forecast [Member]
Subsequent Event [Line Items]
Proceeds from warrant and option exercises	$ 847
Options And Warrants | Subsequent
Subsequent Event [Line Items]
Proceeds from warrant and option exercises		$ 847