Capital stock (Narrative) (Details) (CAD)	9 Months Ended
	Sep. 30, 2014 Y
Capital Stock 1	8,333,329
Capital Stock 2	0.09
Capital Stock 3	750,000
Capital Stock 4	4,166,659
Capital Stock 5	0.20
Capital Stock 6	71,000
Capital Stock 7	788,888
Capital Stock 8	0.09
Capital Stock 9	16,502,220
Capital Stock 10	0.09
Capital Stock 11	1,485,200
Capital Stock 12	8,251,107
Capital Stock 13	0.20
Capital Stock 14	277,778
Capital Stock 15	0.09
Capital Stock 16	25,000
Capital Stock 17	138,888
Capital Stock 18	0.20
Capital Stock 19	35,604
Capital Stock 20	395,599
Capital Stock 21	0.09
Capital Stock 22	0.09
Capital Stock 23	1,599,375
Capital Stock 24	1,599,375
Capital Stock 25	230,000
Capital Stock 26	0.20
Capital Stock 27	20,087
Capital Stock 28	3
Capital Stock 29	157.00%
Capital Stock 30	0.49%
Capital Stock 31	0.00%
Capital Stock 32	250,000
Capital Stock 33	0.09
Capital Stock 34	2,690,000
Capital Stock 35	0.10
Capital Stock 36	250,000
Capital Stock 37	0.09
Capital Stock 38	4,162,650
Capital Stock 39	0.25
Capital Stock 40	0.10
Capital Stock 41	0.20
Capital Stock 42	0.09
Capital Stock 43	749,998
Capital Stock 44	0.09
Capital Stock 45	374,996
Capital Stock 46	0.18
Capital Stock 47	2,500,000
Capital Stock 48	0.065
Capital Stock 49	191,631
Capital Stock 50	2
Capital Stock 51	131.00%
Capital Stock 52	0.52%
Capital Stock 53	0.00%
Capital Stock 54	250,000
Capital Stock 55	0.095
Capital Stock 56	250,000
Capital Stock 57	0.09