Annual report pursuant to Section 13 and 15(d)

CAPITAL TRANSACTIONS Stock Options (Details)

v3.8.0.1
CAPITAL TRANSACTIONS Stock Options (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Time-based stock options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense $ 200 $ 800 $ 1,600  
Unrecognized share-based compensation expense, options $ 13 $ 300 $ 1,100  
Weighted-average period over which the remaining compensation cost is expected to be recognized 2 months      
Time-based stock options | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period 48 months      
Stock options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted (in shares) 25,000 0 335,000  
Granted (in dollars per share) $ 13.50 $ 0.00 $ 14.04  
Weighted-average grant date fair value (in dollars per share) $ 4.94 $ 4.79    
Aggregate intrinsic values of options exercised $ 17 $ 200 $ 1,400  
Related tax benefit $ 17 $ 100 $ 500  
Outstanding options to purchase (in shares) 1,390,000 1,524,000 1,683,000 2,037,000
Exercisable (in shares) 1,293,000 1,201,000    
Expected to vest (in shares) 92,000 306,000    
Aggregate Intrinsic value, outstanding $ 900 $ 4,200    
Aggregate Intrinsic value, exercisable 900 3,700    
Aggregate Intrinsic value, expected to vest $ 0 $ 386    
Performance based stock options operating income margins        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Operating income margin, one (as a percent) 6.00%      
Operating income margin, two (as a percent) 8.00%      
Operating income margin, three (as a percent) 10.00%      
2012 Stock Incentive Plan | Time-based stock options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted (in shares) 25,000      
2012 Stock Incentive Plan | Time-based stock options and net sales revenue performance-based stock options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted (in dollars per share) $ 13.50      
Termination period 10 years      
2012 Stock Incentive Plan | Stock options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted (in shares) 17,000 35,000 405,000  
Granted (in dollars per share) $ 12.06 $ 4.74 $ 9.78  
2009 Incentive Plan | Time-based stock options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted (in shares)     335,000  
2009 Incentive Plan | Time-based stock options and net sales revenue performance-based stock options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted (in dollars per share)     $ 14.04  
Weighted-average grant date fair value (in dollars per share)     $ 4.79  
Termination period     10 years