XML 55 R12.htm IDEA: XBRL DOCUMENT v3.2.0.727
Supplementary Cash Flow Information
3 Months Ended
Jul. 31, 2015
Supplemental Cash Flow Elements [Abstract]  
Supplementary Cash Flow Information

Note 4 - Supplementary Cash Flow Information:

               
    Three Months Ended July 31,  
($ in thousands)   2015   2014  
State and local income tax payments   $ 93   $ 86