Capital Stock (Details 5) - $ / shares	9 Months Ended
	Dec. 31, 2015	Feb. 12, 2016
Warrants outstanding
Exercise price per share	$ 7.81
Shares subject to purchase	4,971,497	1,874,595
Warrant 1 [Member]
Warrants outstanding
Exercise price per share	$ 7.00
Expirate date range	9/30/2017 to 3/3/2023
Shares subject to purchase	4,169,645
Warrant 2 [Member]
Warrants outstanding
Exercise price per share	$ 9.25
Expirate date range	9/2/2020
Shares subject to purchase	50,000
Warrant 3 [Member]
Warrants outstanding
Exercise price per share	$ 10.00
Expirate date range	1/31/2016 to 1/11/2020
Shares subject to purchase	554,915
Warrant 4 [Member]
Warrants outstanding
Exercise price per share	$ 15.00
Expirate date range	2/14/2018 to 3/4/2018
Shares subject to purchase	75,389
Warrant 5 [Member]
Warrants outstanding
Exercise price per share	$ 20.00
Expirate date range	7/30/2016 to 9/15/2019
Shares subject to purchase	115,448
Warrant 6 [Member]
Warrants outstanding
Exercise price per share	$ 30.00
Expirate date range	2/13/2016 to 11/20/2017
Shares subject to purchase	6,100