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Segment Information (Tables)
6 Months Ended
Oct. 31, 2020
Segment Reporting [Abstract]  
Segment Information
The following tables provide financial information by business segments for the periods ended October 31, 2020 and 2019 (in thousands):
Domestic
Operations
International
Operations
Corporate /
Eliminations
Total
Three months ended October 31, 2020
Revenues from external customers$28,772 $10,228 $— $39,000 
Intersegment revenues601 1,099 (1,700)— 
Earnings (loss) before income taxes$595 $786 $(1,743)$(362)
Three months ended October 31, 2019
Revenues from external customers$31,584 $8,138 $— $39,722 
Intersegment revenues907 641 (1,548)— 
Earnings (loss) before income taxes$746 $501 $(1,405)$(158)

Domestic
Operations
International
Operations
Corporate /
Eliminations
Total
Six months ended October 31, 2020
Revenues from external customers$58,830 $16,593 $— $75,423 
Intersegment revenues1,252 1,910 (3,162)— 
Earnings (loss) before income taxes$1,588 $921 $(3,458)$(949)
Six months ended October 31, 2019
Revenues from external customers$60,871 $18,187 $— $79,058 
Intersegment revenues3,086 1,483 (4,569)— 
Earnings (loss) before income taxes$2,306 $1,109 $(2,908)$507