CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Oct. 28, 2017	Apr. 30, 2017
Current assets:
Cash and cash equivalents	$ 117,109	$ 79,904
Short-term investments	110,751	119,971
Accounts receivable, net of allowance for doubtful accounts of $1,201 at October 28, 2017 and $291 at April 30, 2017	35,106	74,361
Unbilled receivables and retentions	13,494	14,120
Inventories, net	76,039	60,076
Prepaid expenses and other current assets	5,175	5,653
Total current assets	357,674	354,085
Long-term investments	33,024	42,096
Property and equipment, net	21,614	19,220
Deferred income taxes	16,113	15,089
Other assets	838	2,010
Total assets	429,263	432,500
Current liabilities:
Accounts payable	15,724	20,283
Wages and related accruals	10,415	12,966
Income taxes payable	350	1,418
Customer advances	3,921	3,317
Other current liabilities	7,441	10,079
Total current liabilities	37,851	48,063
Deferred rent	1,637	1,719
Capital lease obligations - net of current portion	50	161
Other non-current liabilities	184	184
Deferred tax liability	67	116
Liability for uncertain tax positions	64	64
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.0001 par value: Authorized shares—10,000,000; none issued or outstanding at October 28, 2017 and April 30, 2017
Common stock, $0.0001 par value: Issued and outstanding shares—23,865,335 shares at October 28, 2017 and 23,630,419 at April 30, 2017	2	2
Additional paid-in capital	166,993	162,150
Accumulated other comprehensive loss	(98)	(127)
Retained earnings	222,504	219,929
Total AeroVironment stockholders' equity	389,401	381,954
Noncontrolling interest	9	239
Total equity	389,410	382,193
Total liabilities and stockholders' equity	$ 429,263	$ 432,500