XML 48 R33.htm IDEA: XBRL DOCUMENT v3.21.2
Accrued Expenses (Tables)
 12 Months Ended
Apr. 30, 2021
Payables and Accruals [Abstract]  
Schedule of Accrued Expenses

Accrued expenses consisted of the following at April 30, 2021 and 2020:

 

    April 30, 2021     April 30, 2020  
      (in thousands)  
                 
Project costs   $ 368     $ 48  
Contract loss reserve     328       216  
Employee incentive payments     283       -  
Accrued salary and benefits     631       483  
Legal and accounting fees     200       283  
Accrued taxes payable     -       177  
Other     71       146  
    $ 1,881     $ 1,353