Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Tables)

v3.19.1
STOCK-BASED COMPENSATION (Tables)
 3 Months Ended
Mar. 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] The following table summarizes amounts charged to expense for stock-based compensation related to employee and director stock option grants and recorded in connection with stock options granted to non-employee consultants:
 
 
 
Three Months Ended
March 31,
 
 
 
2019
 
 
2018
 
 
 
 
 
 
 
 
Employee and director stock option grants:
 
 
 
 
 
 
 
 
Research and development
 
$
27,120
 
 
$
34,127
 
General and administrative
 
 
180,534
 
 
 
139,311
 
Total stock-based compensation
 
$
207,654
 
 
$
173,438
 
Share-based Compensation, Stock Options, Activity [Table Text Block]
A summary of stock option activity is as follows:
 
 
 
Number of

Shares Issuable

Upon Exercise

of Outstanding

Options
 
 
Weighted

Average

Exercise Price
 
 
Weighted

Average

Remaining

Contracted

Term in

Years
 
 
Aggregate

Intrinsic

Value
 
Outstanding at December 31, 2018
 
 
232,343
 
 
$
14.37
 
 
 
 
 
 
$
 
 
Granted
 
 
—
 
 
$
—
 
 
 
 
 
 
 
 
 
Expired
 
 
—
 
 
$
—
 
 
 
 
 
 
 
 
 
Forfeited
 
 
(33,559
)
 
$
4.78
 
 
 
 
 
 
 
 
 
Outstanding at March 31, 2019
 
 
198,784
 
 
$
15.99
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exercisable, March 31, 2019
 
 
63,512
 
 
$
38.94
 
 
 
8.00
 
 
$
—
 
Unvested, March 31, 2019
 
 
135,272
 
 
$
5.22
 
 
 
9.45
 
 
$
—
 
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] The following table summarizes the restricted stock grants:
 
 
 
Number of

Shares
 
 
Weighted

Average

Grant Date

Fair Value
Per Share
 
 
Total Grant

Date Fair

Value
 
Outstanding at December 31, 2018
 
 
18,668
 
 
$
21.00
 
 
$
392,000
 
Granted
 
 
—
 
 
$
—
 
 
$
—
 
Vested
 
 
(9,334
)
 
$
21.00
 
 
$
(196,000
)
Forfeited
 
 
—
 
 
$
—
 
 
$
—
 
Outstanding at March 31, 2019
 
 
9,334
 
 
$
21.00
 
 
$
196,000