Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Stock Options (Details)

v3.8.0.1
Stock-Based Compensation - Stock Options (Details) - USD ($)
 3 Months Ended 9 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Additional disclosure        
Stock-based compensation expense $ 102,000 $ 174,000 $ 409,000 $ 653,000
Stock options        
Shares        
Outstanding at the beginning of the period (in shares)     314,537  
Granted (in shares) 0   0  
Forfeited, cancelled or expired (in shares)     (97,590)  
Outstanding at the end of the period (in shares) 216,947   216,947  
Options fully vested and those expected to vest (in shares) 216,947   216,947  
Options exercisable 216,947   216,947  
Weighted Average Exercise Price        
Outstanding at the beginning of the period (in dollars per share)     $ 15.48  
Forfeited, cancelled or expired (in dollars per share)     3.68  
Outstanding at the end of the period (in dollars per share) $ 20.79   20.79  
Options fully vested and those expected to vest (in dollars per share) 20.79   20.79  
Exercisable (in dollars per share) $ 20.79   $ 20.79  
Weighted Average Remaining Contractual Term (in years)        
Outstanding at the end of the period     3 years  
Options fully vested and those expected to vest     3 years  
Exercisable     3 years  
Weighted-average assumptions used to calculate estimated fair value of each stock option        
Risk-free interest rates (as a percent)       1.30%
Expected lives (in years)       5 years 8 months 12 days
Expected volatility (as a percent)       133.90%
Weighted average grant date fair value of options granted during the period (in dollars per share)       $ 1.52
Additional disclosure        
Stock-based compensation expense $ 0 $ 8,000 $ 17,000 $ 11,000