Capital Stock (Details)	9 Months Ended
	Dec. 31, 2018 $ / shares shares
Exercise price per share | $ / shares	$ 2.54
Warrants outstanding | shares	21,499,955
Warrant 1 [Member]
Exercise price per share | $ / shares	$ 1.50
Expiration date range	11/30/2021 to 12/13/2022
Warrants outstanding | shares	14,335,200
Warrant 2 [Member]
Exercise price per share | $ / shares	$ 1.67
Expiration date range	2/28/2022 to 10/10/2022
Warrants outstanding | shares	625,619
Warrant 3 [Member]
Exercise price per share | $ / shares	$ 1.82
Expiration date range	3/7/2023
Warrants outstanding | shares	1,388,931
Warrant 4 [Member]
Exercise price per share | $ / shares	$ 2.23
Expiration date range	9/216/2019 to 10/16/2022
Warrants outstanding | shares	721,693
Warrant 5 [Member]
Exercise price per share | $ / shares	$ 5.30
Expiration date range	5/16/2021
Warrants outstanding | shares	2,705,883
Warrant 6 [Member]
Exercise price per share | $ / shares	$ 6.00
Expiration date range	9/26/2019 to 11/30/2019
Warrants outstanding | shares	97,750
Warrant 7 [Member]
Exercise price per share | $ / shares	$ 7.00
Expiration date range	3/19/2019 to 3/3/2023
Warrants outstanding | shares	1,309,431
Warrant 8 [Member]
Exercise price per share | $ / shares	$ 12.33
Expiration date range	9/15/2019 to 3/25/2021
Warrants outstanding | shares	315,448