Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Mar. 31, 2017

Quarterly Financial Data [Abstract]

Schedule of Quarterly Financial Data

(In thousands, except per share amount)	For the year ended March 31, 2017:
Three Months Ended	June 30,			September 30,			December 31,			March 31,
	2016			2016			2016			2017
Total revenue	$	13,345		$	18,507		$	27,148		$	16,195
Operating loss	(9,344		)	(7,150		)	(4,060		)	(6,988		)
Net loss	(10,355		)	(7,325		)	(2,768		)	(6,925		)
Net loss per common share—basic	(0.76		)	(0.53		)	(0.20		)	(0.50		)
Net loss per common share—diluted	(0.76		)	(0.53		)	(0.20		)	(0.50		)
	For the year ended March 31, 2016:
Three Months Ended	June 30,			September 30,			December 31,			March 31,
	2015			2015			2015			2016
Total revenue	$	23,723		$	19,004		$	25,772		$	27,524
Operating loss	(8,257		)	(6,841		)	(3,312		)	(1,708		)
Net loss	(9,121		)	(7,698		)	(2,957		)	(3,363		)
Net loss per common share—basic	(0.75		)	(0.57		)	(0.22		)	(0.25		)
Net loss per common share—diluted	(0.75		)	(0.57		)	(0.22		)	(0.25		)