Related party activity (Details) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Management fees expenses	$ 57,000	$ 29,000	$ 114,000	$ 98,500
CEO [Member]
Management fees expenses	42,000	14,000	84,000	56,000
CFO [Member]
Management fees expenses	$ 15,000	$ 15,000	$ 30,000	$ 42,500