XML 53 R38.htm IDEA: XBRL DOCUMENT v3.19.1
Note O - Stock Options (Tables)
 12 Months Ended
Dec. 31, 2018
Notes Tables  
Share-based Compensation, Stock Options, Activity [Table Text Block]
 
 
Number of Options
 
 
Weighted
average
 
 
Weighted
average
remaining
 
 
Aggregate
 
 
 
2004
Plan
 
 
2015
Plan
 
 
Non
Plan
 
 
Total
 
 
exercise
price
 
 
life
(in years)
 
 
intrinsic
value
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Outstanding, as of
December 31, 2016
 
 
69,380
 
 
 
25,003
 
 
 
247,280
 
 
 
341,663
 
 
$
3.99
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Granted
 
 
—
 
 
 
64,167
 
 
 
1,170,000
 
 
 
1,234,167
 
 
 
2.69
 
 
 
 
 
 
 
 
 
Exercised
 
 
—
 
 
 
—
 
 
 
(4,167
)
 
 
(4,167
)
 
 
2.16
 
 
 
 
 
 
 
 
 
Forfeited
 
 
—
 
 
 
(7,084
)
 
 
(65,140
)
 
 
(72,224
)
 
 
2.62
 
 
 
 
 
 
 
 
 
Expired
 
 
(17,084
)
 
 
—
 
 
 
(4,862
)
 
 
(21,946
)
 
 
8.86
 
 
 
 
 
 
 
 
 
Outstanding, as of
December 31, 2017
 
 
52,296
 
 
 
82,086
 
 
 
1,343,111
 
 
 
1,477,493
 
 
$
2.91
 
 
 
5.64
 
 
$
0
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Granted
 
 
—
 
 
 
351,918
 
 
 
—
 
 
 
351,918
 
 
 
1.97
 
 
 
 
 
 
 
 
 
Exercised
 
 
—
 
 
 
—
 
 
 
—
 
 
 
—
 
 
 
—
 
 
 
 
 
 
 
 
 
Forfeited
 
 
—
 
 
 
(38,613
)
 
 
(111,253
)
 
 
(149,866
)
 
 
2.63
 
 
 
 
 
 
 
 
 
Expired
 
 
(18,961
)
 
 
(13,473
) 
 
 
(59,097
)
 
 
(91,531
)
 
 
3.03
 
 
 
 
 
 
 
 
 
Outstanding, as of
December 31, 2018
 
 
33,335
 
 
 
3
81
,918
 
 
 
1,1
72
,761
 
 
 
1,
588,014
 
 
$
2.
7
2
 
 
 
5.00
 
 
$
0
 
Vested or expected to vest at December 31, 2018
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1,
321,981
 
 
$
2.
79
 
 
 
4.
8
3
 
 
$
0
 
Exercisable at December 31, 2018
 
 
 
 
 
 
 
 
 
 
 
 
 
 
593,573
 
 
$
3.
17
 
 
 
3.94
 
 
$
0
 
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block]
 
 
 
 
 
 
Options Outstanding
 
 
Options Exercisable
 
Range of exercise prices
 
 
Number of
shares
 
 
Weighted
average
exercise
price
 
 
Weighted
average
remaining
life (in years)
 
 
Number
exercisable
 
 
Weighted
average
exercise
price
 
$
1.83
-
2.50
 
 
 
413,843
 
 
$
2.01
      
5.88
 
 
 
81,230
 
 
$
2.15
 
 
2.51
-
3.50
 
 
 
1,000,415
 
 
 
2.69
      
5.23
 
 
 
338,587
 
 
 
2.69
 
 
3.51
-
4.92
 
 
 
173,756
 
 
 
4.58
      
1.76
 
 
 
173,756
 
 
 
4.58
 
$
1.83
-
4.92
 
 
 
1,588,014
 
 
 
 
      
 
 
 
 
593,573