Preferred Stock Warrants (Tables)

12 Months Ended

Jan. 31, 2017

Preferred Stock Warrants [Abstract]

Valuation of Warrants using Black-Scholes Option Pricing Model

The warrants were valued using the Black-Scholes option pricing model which included the following assumptions:

	October 31,		January 31,
	2016		2016
	(unaudited)
Term in years	0 to 5.45		1.50 to 5.69
Risk-free interest rate	0.05 to 1.35%		0.61 to 1.45%
Volatility		48%		48%
Dividend yield		0%		0%