Convertible promissory notes (Narrative) (Details) (USD $)	6 Months Ended
	Jul. 31, 2014 M D
Convertible Promissory Notes 1	10.00%
Convertible Promissory Notes 2	$ 730,174
Convertible Promissory Notes 3	60.00%
Convertible Promissory Notes 4	10,000,000
Convertible Promissory Notes 5	30
Convertible Promissory Notes 6	12
Convertible Promissory Notes 7	3,730,174
Convertible Promissory Notes 8	1,592,769
Convertible Promissory Notes 9	199
Convertible Promissory Notes 10	5,322,943
Convertible Promissory Notes 11	555,000
Convertible Promissory Notes 12	500,000
Convertible Promissory Notes 13	55,000
Convertible Promissory Notes 14	150,000
Convertible Promissory Notes 15	180
Convertible Promissory Notes 16	70.00%
Convertible Promissory Notes 17	20
Convertible Promissory Notes 18	90
Convertible Promissory Notes 19	0.00%
Convertible Promissory Notes 20	90
Convertible Promissory Notes 21	12.00%
Convertible Promissory Notes 22	150,000
Convertible Promissory Notes 23	90
Convertible Promissory Notes 24	150,000
Convertible Promissory Notes 25	153,082
Convertible Promissory Notes 26	13,900,000
Convertible Promissory Notes 27	33,397
Convertible Promissory Notes 28	150,000
Convertible Promissory Notes 29	4,037,915
Convertible Promissory Notes 30	75,000
Convertible Promissory Notes 31	75,000
Convertible Promissory Notes 32	90
Convertible Promissory Notes 33	56,438
Convertible Promissory Notes 34	6,000,000
Convertible Promissory Notes 35	75,000
Convertible Promissory Notes 36	120,051
Convertible Promissory Notes 37	250,000
Convertible Promissory Notes 38	225,000
Convertible Promissory Notes 39	25,000
Convertible Promissory Notes 40	183
Convertible Promissory Notes 41	100.00%
Convertible Promissory Notes 42	70.00%
Convertible Promissory Notes 43	5
Convertible Promissory Notes 44	250,000
Convertible Promissory Notes 45	$ 225,953