Consolidated Balance Sheets - USD ($) $ in Thousands	Apr. 30, 2020	Apr. 30, 2019
Current assets:
Cash and cash equivalents	$ 255,142	$ 172,708
Held-to-maturity short-term investments		150,487
Available-for-sale short-term investments	47,507
Accounts receivable, net of allowance for doubtful accounts of $1,190 at April 30, 2020 and $1,041 at April 30, 2019	73,660	31,051
Unbilled receivables and retentions (inclusive of related party unbilled receivables of $15,779 at April 30, 2020 and $9,028 at April 30, 2019)	75,837	53,047
Inventories	45,535	54,056
Prepaid expenses and other current assets	6,246	7,418
Income taxes receivable		821
Total current assets	503,927	469,588
Held-to-maturity long-term investments		9,386
Available-for-sale long-term investments	15,030
Property and equipment, net	21,694	16,905
Operating lease right-of-use assets	8,793
Deferred income taxes	4,928	6,685
Intangibles, net	13,637	459
Goodwill	6,340
Other assets	10,605	5,821
Total assets	584,954	508,844
Current liabilities:
Accounts payable	19,859	15,972
Wages and related accruals	23,972	18,507
Customer advances	7,899	2,962
Current operating lease liabilities	3,380
Income taxes payable	1,065
Other current liabilities	10,778	7,425
Total current liabilities	66,953	44,866
Deferred rent		1,173
Non-current operating lease liabilities	6,833
Other non-current liabilities	250	150
Deferred tax liability		29
Liability for uncertain tax positions	1,017	51
Commitments and contingencies
Stockholders' equity:
Authorized shares-10,000,000; none issued or outstanding at April 30, 2020 and April 30, 2019
Issued and outstanding shares-24,063,639 shares at April 30, 2020 and 23,946,293 shares at April 30, 2019	2	2
Additional paid-in capital	181,481	176,216
Accumulated other comprehensive income	328	2
Retained earnings	328,090	286,351
Total AeroVironment, Inc. stockholders' equity	509,901	462,571
Noncontrolling interest		4
Total equity	509,901	462,575
Total liabilities and stockholders' equity	$ 584,954	$ 508,844