Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Details Textual)

v3.4.0.3
Stock-Based Compensation (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Allocated Share-based Compensation Expense $ 1,265 $ 2,605 $ 1,871
Proceeds from stock options exercised $ 0 257 1,677
Cumulative Effect of New Accounting Principle in Period of Adoption   0  
Stock Options [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock Option Contractual Life from Grant Date 7 years    
Allocated Share-based Compensation Expense $ 200 200 200
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value 0 400 1,300
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized $ 700    
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition 2 years 9 months 18 days    
Stock Options [Member] | Minimum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock Option Contractual Life from Grant Date 5 years    
Stock Options [Member] | Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock Option Contractual Life from Grant Date 10 years    
Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Allocated Share-based Compensation Expense $ 200 $ 500 $ 500
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized $ 100    
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition 5 months 19 days    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 110,000 100,000 90,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value $ 100 $ 1,200 $ 700
Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Allocated Share-based Compensation Expense 900 $ 1,700 $ 900
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized $ 2,300    
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition 2 years 6 months 18 days    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 1,502,500 780,500 1,182,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value $ 300 $ 1,500 $ 500
Performance Shares [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Allocated Share-based Compensation Expense 0 $ 100 $ 300
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized $ 10    
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition 1 year    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 0 217,500 285,000
PSUs earned     94.00%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value $ 31 $ 300  
Performance Shares [Member] | Minimum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Potential PSU attainment range 0.00%    
Performance Shares [Member] | Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Potential PSU attainment range 200.00%    
2015 Omnibus Incentive Compensation Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 6,014,433    
2015 Omnibus Incentive Compensation Plan [Member] | Stock Options [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting schedule of equal annual installments 3 years    
2015 Omnibus Incentive Compensation Plan [Member] | Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting schedule of equal annual installments 1 year    
2015 Omnibus Incentive Compensation Plan [Member] | Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting schedule of equal annual installments 3 years    
2004 Stock Incentive Plan [Member] | Stock Options [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting schedule of equal annual installments 4 years    
2004 Stock Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting schedule of equal annual installments 4 years    
Accumulated Deficit [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Cumulative Effect of New Accounting Principle in Period of Adoption [1]   $ (87)  
[1] See Note 3 and Note 9 for discussion of our adoption of ASU 2016-09 (as defined in Note 3).