Subsequent Events (Details) - Subsequent Events - Staff reduction		1 Months Ended	3 Months Ended
	Jan. 19, 2016 USD ($) item	Apr. 30, 2016	Mar. 31, 2016 USD ($)
Restructuring
Number of positions eliminated | item	19
Number of remaining employees | item	9
Expected total restructuring charge | $	$ 2,200,000
Severance payment equal to salary period	3 months
Forecast
Restructuring
Restructuring payments | $			$ 600,000
Expected period for restructuring payments		P18M