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Accounts Receivable, Unbilled Services and Deferred Revenue | 12 Months Ended
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Apr. 30, 2019
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):
| April 30, 2019 |  | April 30, 2018
Accounts receivable | $ | 1,982 |  |  | $ | 1,837 |
Unbilled services | 2,417 |  |  | 2,093 |
Total accounts receivable and unbilled services | 4,399 |  |  | 3,930 |
Less allowance for doubtful accounts | (22 | ) |  | (13 | )
Total accounts receivable, net | $ | 4,377 |  |  | $ | 3,917 |
Deferred revenue was as follows (in thousands):
| April 30, 2019 |  | April 30, 2018
Deferred revenue | $ | 4,022 |  |  | $ | 4,704 |
Deferred revenue is shown as a current liability on the Company's balance sheet.

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- References No definition available. + Details
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