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Changes in Stockholders' Equity and Comprehensive Income (Loss) (Tables)
9 Months Ended
Dec. 31, 2015
Stockholders' Equity Note [Abstract]  
Schedule of changes in stockholders' equity
                Accumulated  
    Additional           Other  
    Paid-In     Retained     Comprehensive  
    Capital     Earnings     Loss  
                   
Beginning balance at March 31, 2015:   $ 3,117     $ 72,343     $ (54 )
Share based compensation     1,189       -       -  
Dividends declared     -       (10,957 )     -  
Tax adjustment related to restricted stock     92       -       -  
Net income     -       15,149       -  
Net change in unrealized loss on short term investments     -       -       (33 )
Ending balance at December 31, 2015:   $ 4,398     $ 76,535     $ (87 )