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Goodwill (Tables)
12 Months Ended
Apr. 30, 2021
Goodwill.  
Schedule of the changes in goodwill balances

The following table presents the changes in the Company’s goodwill balance (in thousands):

UAS

MUAS

Total

Balance at April 30, 2020

$

6,340

$

$

6,340

Additions to goodwill

19,254

288,611

307,865

Impairment of goodwill

Balance at April 30, 2021

$

25,594

$

288,611

$

314,205