Additional information regarding share purchase warrants (Details)	Mar. 31, 2017 USD ($)
Additional information regarding share purchase warrants Details
Range of Exercise Prices 0.001 Number of Warrants	$ 2,000,000
Range of Exercise Prices 0.15 Number of Warrants	500,000
Range of Exercise Prices 0.50 Number of Warrants	242,000
Total Number of Warrants	$ 2,742,000
Weighted Average Remaining Contractual Life (years)
Range of Exercise Prices 0.001 Weighted Average Remaining Contractual Life (years)	4.9
Range of Exercise Prices 0.15 Weighted Average Remaining Contractual Life (years)	4.9
Range of Exercise Prices 0.50 Weighted Average Remaining Contractual Life (years)	4.3
Total Weighted Average Remaining Contractual Life (years)	4.8