XML 34 R22.htm IDEA: XBRL DOCUMENT v3.21.2
Accounts Receivable, Unbilled Services and Deferred Revenue (Tables)
12 Months Ended
Apr. 30, 2021
Receivables [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable Accounts receivable and unbilled services were as follows (in thousands):
April 30, 2021April 30, 2020
  
Accounts receivable$4,304 $2,655 
Unbilled services3,020 2,404 
Total accounts receivable and unbilled services7,324 5,059 
Less: allowance for doubtful accounts(338)(289)
Total accounts receivable, net$6,986 $4,770 
Deferred Revenue
Deferred revenue was as follows (in thousands):
April 30, 2021April 30, 2020
  
Deferred revenue$6,256 $5,815