Capital Stock (Details 1)	3 Months Ended
	Jun. 30, 2016 $ / shares shares
Warrants outstanding
Shares subject to purchase	4,606,480
Warrant 1 [Member]
Warrants outstanding
Exercise price per share | $ / shares	$ 5.30
Expiration date range	5/16/2021
Shares subject to purchase	2,705,883
Warrant 2 [Member]
Warrants outstanding
Exercise price per share | $ / shares	$ 7.00
Expiration date range	12/11/2018 to 3/3/2023
Shares subject to purchase	1,417,125
Warrant 3 [Member]
Warrants outstanding
Exercise price per share | $ / shares	$ 8.00
Expiration date range	3/25/2021
Shares subject to purchase	230,000
Warrant 4 [Member]
Warrants outstanding
Exercise price per share | $ / shares	$ 10.00
Expiration date range	8/31/2016 to 1/11/2020
Shares subject to purchase	135,384
Warrant 5 [Member]
Warrants outstanding
Exercise price per share | $ / shares	$ 15.00
Expiration date range	8/31/2016
Shares subject to purchase	4,040
Warrant 6 [Member]
Warrants outstanding
Exercise price per share | $ / shares	$ 20.00
Expiration date range	9/15/2019
Shares subject to purchase	110,448
Warrant 7 [Member]
Warrants outstanding
Exercise price per share | $ / shares	$ 30.00
Expiration date range	11/20/2017
Shares subject to purchase	3,600