| Summary of changes in stockholders' equity |
|
|
|
October 31,
|
|
October 31,
|
|
|
|
|
2014
|
|
2013
|
|
|
Stockholders’ equity at beginning of period
|
|
$
|
38,068,058
|
|
$
|
4,739,124
|
|
|
|
|
|
|
|
|
|
Net loss
|
|
(4,061,116
|
)
|
(2,051,486
|
)
|
|
|
|
|
|
|
|
|
Stock-based compensation
|
|
611,240
|
|
70,410
|
|
|
|
|
|
|
|
|
|
Common stock issued for services
|
|
—
|
|
150,000
|
|
|
|
|
|
|
|
|
|
Exercise of common stock warrants
|
|
—
|
|
1,178,398
|
|
|
|
|
|
|
|
|
|
Public offering on September 18, 2013, net of issuance costs of $836,360
|
|
—
|
|
11,111,640
|
|
|
|
|
|
|
|
|
|
Stockholders’ equity at end of period
|
|
$
|
34,618,182
|
|
$
|
15,198,086
|
|
|