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Segment Information (Tables)
3 Months Ended
Jul. 31, 2018
Segment Reporting [Abstract]  
Segment Information

The following table provides financial information by business segments for the three months ended July 31, 2018 and 2017 (in thousands):

 

     Domestic      International      Corporate     Total  

Three months ended July 31, 2018

          

Revenues from external customers

   $ 36,070      $ 6,082      $ —     $ 42,152  

Intersegment revenues

     462        726        (1,188     —    

Earnings (loss) before income taxes

     2,999        449        (1,664     1,784  

Three months ended July 31, 2017

          

Revenues from external customers

   $ 22,146      $ 11,735      $ —     $ 33,881  

Intersegment revenues

     4,085        868        (4,953     —    

Earnings (loss) before income taxes

     1,816        1,370        (1,389     1,797