Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details)

v3.7.0.1
Stockholders' Equity (Details) - $ / shares
3 Months Ended 12 Months Ended
Apr. 30, 2017
Jan. 31, 2017
Number of Option, Beginning Balance 2,287,399 2,191,274
Number of Option, Expired   (93,875)
Number of Option, Forfeited   (70,000)
Number of Option, Granted 1,200,000 260,000
Number of Option, Ending Balance 3,487,399 2,287,399
Number of Option, Exercisable 3,072,043  
Weighted Average Exercise Price, Beginning Balance $ 4.78 $ 5.12
Weighted Average Exercise Price, Expired   5.19
Weighted Average Exercise Price, Forfeited   5.12
Weighted Average Exercise Price, Granted 2.14 2.21
Weighted Average Exercise Price, Ending Balance 3.87 4.78
Weighted Average Exercise Price, Exercisable 3.89  
Weighted Average Grant Date Fair Value, Beginning Balance 1.41 7.86
Weighted Average Grant Date Fair Value, Ending Balance   $ 1.41
Weighted Average Grant Date Fair Value, Granted $ 0.89