Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Tables)

v3.8.0.1
Stockholders' Equity (Tables)
12 Months Ended
Dec. 31, 2017
Schedule of Nonvested Share Activity [Table Text Block]
A summary of restricted stock award activity during the year ended December 31, 2017 and 2016 is presented below (in thousands, except per share data):
 
 
 
Number of
Shares
 
Weighted 
Average 
Grant Date 
Fair Value Per 
Share
 
Total Grant
 Date Fair 
Value
 
Non-vested, December 31, 2015
 
 
69
 
$
61.10
 
$
4,226
 
Granted
 
 
103
 
 
10.50
 
 
1,076
 
Vested
 
 
(24)
 
 
60.00
 
 
(1,428)
 
Forfeited
 
 
(1)
 
 
14.60
 
 
(12)
 
Non-vested, December 31, 2016
 
 
147
 
$
26.26
 
$
3,862
 
Granted
 
 
182
 
 
3.41
 
 
621
 
Vested
 
 
(137)
 
 
17.35
 
 
2,373
 
Forfeited
 
 
(2)
 
 
3.87
 
 
-
 
Non-vested, December 31, 2017
 
 
190
 
$
11.07
 
$
6,856
 
Warrant [Member]  
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
The following table presents information related to warrants at December 31, 2017 (in thousands, except years and per warrant data):
 
Warrants Outstanding
 
Warrants Exercisable
 
Exercise Price
 
Outstanding 
Number of 
Warrants
 
Weighted
 Average 
Remaining 
Life in 
Years
 
Exercisable 
Number of 
Warrants
 
$4.0 - $21.80
 
 
233
 
 
4.1
 
 
233
 
$40.00 - $49.99
 
 
98
 
 
0.5
 
 
98
 
$50.00 - $59.90
 
 
104
 
 
0.9
 
 
104
 
$60.00 - $105.00
 
 
43
 
 
1.3
 
 
43
 
 
 
 
478
 
 
2.4
 
 
478
 
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
In applying the Black-Scholes option pricing model to stock options granted, the Company used the following assumptions:
 
 
 
Year Ended December 31,
 
 
 
2017
 
2016
 
Risk free interest rate
 
1.81% - 2.43%
 
1.14% - 2.06%
 
Expected term (years)
 
5.04 – 6.50
 
5.04 – 6.50
 
Expected volatility
 
81.94% - 87.00%
 
89.53% - 89.95%
 
Expected dividends
 
0.00%
 
0.00%
 
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
A summary of the warrant activity during the year ended December 31, 2017 and 2016 is presented below (in thousands, except years and per warrant data):
 
 
 
Number of
Warrants
 
Weighted 
Average 
Exercise 
Price per 
Warrant
 
Weighted 
Average 
Remaining 
Life in
 Years
 
Intrinsic Value
 
Outstanding, December 31, 2015
 
 
338
 
$
57.00
 
 
 
 
 
 
 
Issued
 
 
-
 
 
-
 
 
 
 
 
 
 
Exercised
 
 
-
 
 
-
 
 
 
 
 
 
 
Cancelled
 
 
(1)
 
 
87.50
 
 
 
 
 
 
 
Outstanding, December 31, 2016
 
 
337
 
$
56.90
 
 
 
 
$
-
 
Issued
 
 
159
 
 
4.66
 
 
 
 
 
 
 
Adjustment for price reset
 
 
29
 
 
 
 
 
 
 
 
 
 
Exercised
 
 
-
 
 
-
 
 
 
 
 
 
 
Cancelled
 
 
(47)
 
 
9.35
 
 
 
 
 
 
 
Outstanding, December 31, 2017
 
 
478
 
$
32.79
 
 
2.4
 
$
-
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exercisable, December 31, 2017
 
 
478
 
$
32.79
 
 
2.4
 
$
-
 
Employee Stock Option [Member]  
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
The following table presents information related to stock options at December 31, 2017 (in thousands, except years and per option data):
 
 
 
Options Outstanding
 
Options Exercisable
 
 
 
 
Range of
Exercise Price
 
Weighted
Average
Exercise
Price
 
Outstanding
Number of
Options
 
Weighted Average
Exercise Price
 
Weighted
Average 
Remaining 
Life in Years
 
Exercisable
Number of
Options
 
$2.00 - $4.00
 
$
3.52
 
 
222
 
 
3.57
 
 
8.9
 
 
68
 
$4.10 - $9.90
 
 
8.54
 
 
32
 
 
8.61
 
 
6.8
 
 
143
 
$10.00 - $19.90
 
 
10.58
 
 
80
 
 
10.59
 
 
7.6
 
 
28
 
$20.00 - $29.90
 
 
23.08
 
 
1
 
 
22.90
 
 
4.1
 
 
1
 
$30.00 - $39.90
 
 
33.72
 
 
47
 
 
33.72
 
 
5.6
 
 
45
 
$40.00 - $49.90
 
 
46.61
 
 
68
 
 
46.01
 
 
6.0
 
 
66
 
$50.00 - $59.90
 
 
52.99
 
 
51
 
 
53.20
 
 
5.5
 
 
39
 
$60.00 - $69.90
 
 
66.06
 
 
205
 
 
66.47
 
 
4.4
 
 
185
 
$70.00 - $79.90
 
 
77.54
 
 
3
 
 
77.54
 
 
6.3
 
 
3
 
$80.00 - $89.90
 
 
87.40
 
 
74
 
 
87.36
 
 
2.0
 
 
53
 
$90.00 - $99.90
 
 
90.04
 
 
21
 
 
90.04
 
 
3.5
 
 
21
 
$100.00 - $266.90
 
 
110.13
 
 
6
 
 
110.13
 
 
5.2
 
 
6
 
 
 
 
 
 
 
810
 
 
 
 
 
5.6
 
 
658
 
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
A summary of the stock option activity during the years ended December 31, 2017 and 2016 is presented below (in thousands, except years and per option data):
 
 
 
Number of
Options
 
Weighted 
Average 
Exercise 
Price per
Option
 
Weighted 
Average 
Remaining 
Life in 
Years
 
Intrinsic Value
 
Outstanding, December 31, 2015
 
 
623
 
$
62.60
 
 
 
 
 
 
 
Granted
 
 
165
 
 
10.50
 
 
 
 
 
 
 
Exercised
 
 
-
 
 
-
 
 
 
 
 
 
 
Forfeited
 
 
(68)
 
 
39.50
 
 
 
 
 
 
 
Outstanding, December 31, 2016
 
 
720
 
$
52.90
 
 
 
 
 
 
 
Granted
 
 
258
 
 
3.53
 
 
 
 
 
 
 
Exercised
 
 
-
 
 
-
 
 
 
 
 
 
 
Forfeited
 
 
(168)
 
 
40.60
 
 
 
 
 
 
 
Outstanding, December 31, 2017
 
 
810
 
$
39.67
 
 
6.3
 
$
-
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exercisable, December 31, 2017
 
 
658
 
$
42.71
 
 
5.6
 
$
-