Warrants (Details) - $ / shares	Jan. 31, 2021	Nov. 17, 2020	Jul. 31, 2020	Apr. 24, 2020	Dec. 02, 2018
Initial Exercise Price	$ 0.23	$ 0.18	$ 2.5
Reset Exercise Price				$ 2.50	$ 2.50
Total Warrants from PIPE deal	60,772,618		567,553
Series A Warrants [Member]
Initial Exercise Price	$ 0.392
Initial Warrants Issued	5,102,040
Additional Warrants Issued	5,112,463
Reset Exercise Price	$ 0.196
Total Warrants from PIPE deal	10,214,503
Series B Warrants [Member]
Initial Exercise Price	$ 0.392
Initial Warrants Issued	15,306,120
Additional Warrants Issued	15,337,389
Reset Exercise Price	$ 0.196
Total Warrants from PIPE deal	30,643,509
Series C Warrants [Member]
Initial Exercise Price	$ 0.539
Initial Warrants Issued	10,204,080
Additional Warrants Issued	9,142,973
Reset Exercise Price	$ 0.281
Total Warrants from PIPE deal	19,347,053
Warrants [Member]
Initial Warrants Issued	30,612,240
Additional Warrants Issued	29,592,825
Total Warrants from PIPE deal	60,205,065