CONSOLIDATED BALANCE SHEETS $ in Thousands	Apr. 30, 2019 USD ($)
Current assets:
Cash and cash equivalents	$ 172,708
Short-term investments	150,487
Accounts receivable, net of allowance for doubtful accounts of $1,041 at April 30, 2019 and $1,080 at April 30, 2018	31,051
Unbilled receivables and retentions (inclusive of related party unbilled receivables of $9,028 at April 30, 2019 and $3,145 at April 30, 2018)	53,047
Inventories	54,056
Prepaid expenses and other current assets	7,418
Income taxes receivable	821
Total current assets	469,588
Long-term investments	9,386
Property and equipment, net	16,905
Deferred income taxes	6,685
Other assets	6,280
Total assets	508,844
Current liabilities:
Accounts payable	15,972
Wages and related accruals	18,507
Customer advances	2,962
Other current liabilities	7,425
Total current liabilities	44,866
Deferred rent	1,173
Other non-current liabilities	150
Deferred tax liability	29
Liability for uncertain tax positions	51
Commitments and contingencies
Stockholders' equity:
Authorized shares—10,000,000; none issued or outstanding at April 30, 2019 and April 30, 2018
Issued and outstanding shares—23,946,293 shares at April 30, 2019 and 23,908,736 shares at April 30, 2018	2
Additional paid-in capital	176,216
Accumulated other comprehensive loss	2
Retained earnings	286,351
Total AeroVironment stockholders' equity	462,571
Noncontrolling interest	4
Total equity	462,575
Total liabilities and stockholders' equity	$ 508,844