Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Stock Options (Details)

v3.10.0.1
Stock-Based Compensation - Stock Options (Details) - USD ($)
3 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Additional disclosure    
Stock-based compensation expense $ 227,000 $ 154,000
Stock options    
Shares    
Outstanding at the beginning of the period (in shares) 212,392  
Granted (in shares) 0 0
Outstanding at the end of the period (in shares) 212,392  
Options fully vested and those expected to vest (in shares) 212,392  
Options exercisable 212,392  
Weighted Average Exercise Price    
Outstanding at the beginning of the period (in dollars per share) $ 20.71  
Outstanding at the end of the period (in dollars per share) 20.71  
Options fully vested and those expected to vest (in dollars per share) 20.71  
Exercisable (in dollars per share) $ 20.71  
Weighted Average Remaining Contractual Term (in years)    
Outstanding at the end of the period 2 years 7 months 6 days  
Options fully vested and those expected to vest 2 years 7 months 6 days  
Exercisable 2 years 7 months 6 days  
Additional disclosure    
Stock-based compensation expense $ 0 $ 8,000
Unvested stock option awards (in shares) 0