Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v3.8.0.1
Stockholders' Equity (Tables)
 3 Months Ended
Mar. 31, 2018
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
The number of shares of the Company’s common stock that are issuable pursuant to warrant and stock option grants with time-based vesting as of March 31, 2018 are:
 
 
 
Warrant Grants
 
Stock Option Grants
 
 
 
Number of 
Shares
Subject to 
Warrants
 
Weighted-Average
Exercise Price Per 
Share
 
Number of 
Shares 
Subject
to Options
 
Weighted-Average
Exercise Price
Per Share
 
Balance at December 31, 2017
 
 
2,239,574
 
$
2.54
 
 
725,000
 
$
3.15
 
Granted
 
 
2,307,250
 
 
1.10
 
 
-
 
 
-
 
Exercised
 
 
-
 
 
-
 
 
-
 
 
-
 
Forfeited
 
 
-
 
 
-
 
 
-
 
 
-
 
Balance at March 31, 2018
 
 
4,546,824
 
$
1.81
 
 
725,000
 
$
3.15
 
Exercisable at March 31, 2018
 
 
4,351,824
 
$
1.81
 
 
358,333
 
$
3.01
 
General and Administrative Expense [Member]  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
Stock-based compensation expense for the three months ended March 31, 2018 and 2017 is as follows:
 
 
 
Three Months Ended
March 31
 
 
 
2018
 
2017
 
General and administrative expense
 
$
116,510
 
$
319,729
 
Employee Stock Option [Member]  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
Stock-based compensation expense categorized by the equity components for the three months ended March 31, 2018 and 2017 is as follows:
 
 
 
Three Months Ended
March 31
 
 
 
2018
 
2017
 
Employee stock options
 
$
78,510
 
$
319,729
 
Warrants
 
 
38,000
 
 
-
 
Common stock
 
 
-
 
 
-
 
 
 
$
116,510
 
$
319,729