Quarterly report pursuant to Section 13 or 15(d)

Stock Compensation Expense (Details)

v3.20.4
Stock Compensation Expense (Details)
 3 Months Ended 9 Months Ended 49 Months Ended
Dec. 31, 2020
USD ($)
shares
Dec. 31, 2019
USD ($)
Dec. 31, 2020
USD ($)
shares
Dec. 31, 2019
USD ($)
Jun. 30, 2014
plan
Jul. 22, 2020
shares
Apr. 08, 2011
shares
Jul. 28, 2010
shares
Stock-Based Compensation Expense                
Number of stock option award plans | plan         2      
Stock compensation expense | $ $ 430,000 $ 1,328,000 $ 2,921,000 $ 3,670,000        
Options outstanding (in shares) 142,086   142,086          
Income from reversal of compensation cost | $ $ 881,000              
Restricted Stock and Stock Option Plan                
Stock-Based Compensation Expense                
Maximum number of shares of the company's common stock that may be awarded               2,767,171
2011 Long-term Incentive Plan                
Stock-Based Compensation Expense                
Maximum number of shares of the company's common stock that may be awarded             2,893,341  
2020 Long-term Incentive Plan                
Stock-Based Compensation Expense                
Maximum number of shares of the company's common stock that may be awarded           1,400,000    
Restricted Stock Units                
Stock-Based Compensation Expense                
Stock granted in the period (in shares)     212,673          
Stock issued during period | $     $ 2,912,000          
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period     3 years          
Common Stock                
Stock-Based Compensation Expense                
Stock granted in the period (in shares) 14,553   41,465          
Stock issued during period | $ $ 166,000   $ 546,000          
Share-based compensation arrangement by share-based payment award, fair value of shares authorized amount | $ $ 712,000   $ 712,000          
Performance Shares                
Stock-Based Compensation Expense                
Stock granted in the period (in shares)     49,716          
Stock issued during period | $     $ 1,060,000          
Minimum                
Stock-Based Compensation Expense                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     3 years          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Possible Number of Performance Shares to be Granted     0          
Maximum                
Stock-Based Compensation Expense                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Possible Number of Performance Shares to be Granted     99,432          
Management                
Stock-Based Compensation Expense                
Options granted (in shares)     71,780          
Total fair value, options | $     $ 439,000          
Volatility assumption     41.10%          
Risk free rate     1.22%          
Expected term     6 years 7 months 28 days          
Expected dividend | $     $ 0          
Management | Performance Shares                
Stock-Based Compensation Expense                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     1 year          
Stock granted in the period (in shares)     86,634          
Management | Minimum                
Stock-Based Compensation Expense                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Possible Number of Performance Shares to be Granted     0          
Management | Maximum | Performance Shares                
Stock-Based Compensation Expense                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Possible Number of Performance Shares to be Granted     173,268