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Accounts Receivable, Unbilled Services and Deferred Revenue
 6 Months Ended
Oct. 31, 2022
Receivables [Abstract]  
Accounts Receivable, Unbilled Services and Deferred Revenue Accounts Receivable, Unbilled Services and Deferred Revenue
Accounts receivable and unbilled services were as follows (in thousands)
October 31, 2022April 30, 2022
Accounts receivable$5,392 $6,037 
Unbilled services4,316 4,106 
Total accounts receivable and unbilled services9,708 10,143 
Less allowance for doubtful accounts(760)(630)
Total accounts receivable, net$8,948 $9,513 
Deferred revenue was as follows (in thousands):
October 31, 2022April 30, 2022
Deferred revenue$11,185 $11,071 
Deferred revenue is shown as a current liability on the Company's condensed consolidated balance sheets.