Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details)

v3.3.1.900
Stock-Based Compensation (Details) - USD ($)
$ in Thousands
1 Months Ended 6 Months Ended
Jul. 01, 2015
Oct. 10, 2014
Jul. 01, 2014
Oct. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Jan. 16, 2013
Jan. 15, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares available for issuance reduced by, shares granted as stock option or appreciation rights             1.0  
Number of shares available for issuance reduced by, shares other than stock options or appreciation rights             2.0  
Number of stock options granted         0      
Number of stock options exercised         0 61,849    
Issuance of common stock (in shares)           34,112    
Number of stock options forfeited/canceled         13,958 360,261    
Expired (in shares)         246,612 1,563    
Selling, General and Administrative Expense                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based compensation expense (reversal of expense)         $ 307 $ 427    
Non-employee Directors                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of stock options exercised     2,734          
Cash award alternative $ 35              
Accrual of non-employee service based compensation         175      
PBOs                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of stock options granted           156,250    
MBOs                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of stock options granted           50,000    
Employee Stock Option                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based compensation expense (reversal of expense)         (41)      
Unrecorded expected future compensation expense related to stock option awards         607 $ 1,800    
Employee Stock Option | Non-employee Directors                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based compensation expense (reversal of expense) $ 35              
Prior Period Awards | Selling, General and Administrative Expense                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based compensation expense (reversal of expense)         $ 348      
Common Stock | Non-employee Directors                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Grants in period (in shares)     12,041          
Employee Stock Option                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Maximum number of shares allowed to be issued each year             125,000  
RSUs                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Maximum number of shares allowed to be issued each year             62,500  
2012 Stock Incentive Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares authorized             625,000  
Expiration term         10 years      
1998 Stock Incentive Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares authorized               36,054
Expired (in shares)         194,531      
1998 Stock Incentive Plan | Former executive                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Shares repurchased during period   31,250   189,062        
1998 Stock Incentive Plan | MBOs and PBOs                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Nonvested options outstanding (in shares)         332,028      
1998 Stock Incentive Plan | Employee Stock Option                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Market based and performance based shares available for future issuance         261,690