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General and administrative expenses (Tables)
12 Months Ended
Dec. 31, 2018
General & Administrative Expenses (Tables) [Abstract]  
General and Administrative Expenses
General and Administrative Expenses:

(Dollars in thousands)
 
2018
   
2017
   
2016
 
Total Compensation to Employees and Directors
 
$
11,289
   
$
11,655
   
$
15,998
 
Office and Administrative Expenses
   
2,449
     
2,147
     
2,213
 
Audit, Legal and Consultancy
   
1,314
     
3,377
     
1,180
 
Total General and Administrative Expenses
 
$
15,052
   
$
17,180
   
$
19,391
 
Stock Compensation Series
Stock Compensation Series

   
Number of
shares/options
 
Vesting
Period
 
Fair value
at grant date
 
(1) Granted October 2005, stock options
   
965
 
10 years
 
$
144.00
 
(2) Granted March 2012, restricted shares
   
14,515
 
3 years
   
13.80
 
(3) Granted June 2013, restricted shares
   
155,000
 
4 years
   
4.15
 
(4) Granted June 2013, stock options
   
155,000
 
5 years
   
1.31
 
(5) Granted June 2013, stock options
   
155,000
 
5 years
   
0.97
 
(6) Granted February 2014, restricted shares
   
29,333
 
3 years
   
6.92
 
(7) Granted February 2014, restricted shares
   
29,333
 
3 years
   
6.33
 
(8) Granted February 2014, restricted shares
   
29,333
 
3 years
   
5.63
 
(9) Granted February 2014, restricted shares
   
88,000
 
3 years
   
7.61
 
(10) Granted June 2014, restricted shares
   
95,666
 
3 years
   
6.41
 
(11) Granted June 2014, restricted shares
   
95,666
 
3 years
   
5.74
 
(12) Granted June 2014, restricted shares
   
95,666
 
3 years
   
5.13
 
(13) Granted June 2014, restricted shares
   
287,000
 
3 years
   
7.15
 
(14) Granted January 2015, restricted shares
   
850,000
 
3 years
   
8.81
 
(15) Granted January 2016, restricted shares
   
824,000
 
2 years
   
6.65
 
(16) Granted January 2017, restricted shares
   
900,000
 
2 years
   
4.61
 
(17) Granted January 2018, restricted shares
   
355,000
 
1 year
   
3.92
 
(18) Granted January 2018, restricted shares
   
212,000
 
3 years
 
$
2.30
 
Outstanding restricted common stock and share options
The following reconciles the number of outstanding restricted common stock and share options:

   
Restricted
common stock
   
Share options
     
Weighted average
exercise price **
 
Outstanding at December 31, 2015
   
1,385,832
     
310,000
       
9.64
 
Granted
   
824,000
                   
Exercised*
   
833,012
                   
Forfeited
           
-
           
Outstanding at December 31, 2016
   
1,376,820
     
310,000
 
 
 
$
9.64
 
                           
Outstanding at December 31, 2016
   
1,376,820
     
310,000
       
9.64
 
Granted
   
900,000
                   
Exercised*
   
1,132,988
                   
Forfeited
   
57,501
                   
Outstanding at December 31, 2017
   
1,086,331
     
310,000
 
 
 
$
9.64
 
                           
Outstanding at December 31, 2017
   
1,086,331
     
310,000
       
9.64
 
Granted
   
567,000
                   
Exercised*
   
1,085,331
                   
Forfeited
   
22,500
     
310,000
       
9.64
 
Outstanding at December 31, 2018
   
545,500
     
-
 
 
 
$
-
 
Stock Compensation Expense
Stock Compensation Expense

(Dollars in thousands)
 
2018
   
2017
   
2016
 
Expense recognized from stock compensation
   
2,458
     
4,806
     
6,936
 
Remuneration of Executives and Directors
Remuneration of Executives and Directors as a group:

(Dollars in thousands)
 
2018
   
2017
   
2016
 
Cash compensation
 
$
3,989
   
$
4,171
   
$
4,162
 
Pension cost
   
202
     
155
     
158
 
Share compensation *
   
2,250
     
4,107
     
6,227
 
Total remuneration
 
$
6,441
   
$
8,433
   
$
10,547
 
Shares held by Executives and Directors
Shares held by Executives and Directors:

   
2018
   
2017
   
2016
 
Executives and Directors as a group*
   
3,155,503
     
2,729,680
     
2,416,385