XML 44 R31.htm IDEA: XBRL DOCUMENT v3.20.2
Accrued Expenses (Tables)
 12 Months Ended
Apr. 30, 2020
Payables and Accruals [Abstract]  
Schedule of Accrued Expenses

Accrued expenses consisted of the following at April 30, 2020 and 2019:

 

    April 30, 2020     April 30, 2019  
    (in thousands)  
             
Project costs   $ 48     $ 9  
Contract loss reserve     216       211  
Employee incentive payments     -       580  
Accrued salary and benefits     483       500  
Legal and accounting fees     283       273  
Accrued taxes payable     177       177  
Other     146       188  
    $ 1,353     $ 1,938