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Segment Information
 9 Months Ended
Jan. 31, 2016
Segment Reporting [Abstract]  
Segment Information

E. Segment Information

The following table provides financial information by business segments for the three and nine months ended January 31, 2016 and 2015 (in thousands):

 

     Domestic
Operations		      International
Operations		      Corporate      Total  

Three months ended January 31, 2016

            

Revenues from external customers

    $ 25,423       $ 6,987       $ —        $ 32,410   

Intersegment revenues

      1,196         421         (1,617 )       —    

Earnings (loss) before income taxes

      1,586         702         (1,215 )       1,073   

Three months ended January 31, 2015

            

Revenues from external customers

    $ 20,025       $ 7,729       $ —        $ 27,754   

Intersegment revenues

      501         697         (1,198 )       —    

Earnings (loss) before income taxes

      264         1,046         (683 )       627   

 

     Domestic
Operations		      International
Operations		      Corporate      Total  

Nine months ended January 31, 2016

            

Revenues from external customers

    $ 76,017       $ 18,519       $ —        $ 94,536   

Intersegment revenues

      1,642         1,694         (3,336 )       —    

Earnings (loss) before income taxes

      5,346         2,002         (3,588 )       3,760   

Nine months ended January 31, 2015

            

Revenues from external customers

    $ 67,902       $ 20,644       $ —        $ 88,546   

Intersegment revenues

      1,407         1,603         (3,010 )       —    

Earnings (loss) before income taxes

      4,526         2,519         (2,678 )       4,367