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Inventories, net
9 Months Ended
Jan. 25, 2020
Inventories, net  
Inventories, net

5. Inventories, net

Inventories consist of the following (in thousands):

January 25,

April 30,

    

2020

    

2019

 

Raw materials

$

19,119

$

16,792

Work in process

 

33,005

 

19,162

Finished goods

 

23,169

 

25,926

Inventories, gross

 

75,293

 

61,880

Reserve for inventory excess and obsolescence

 

(10,137)

 

(7,824)

Inventories, net

$

65,156

$

54,056

During the nine months ended January 25, 2020, the Company recorded inventory reserve charges of approximately $2,600,000 to impair the remaining net book value of the Company’s Quantix commercial UAS solution. For the three and nine months ended January 25, 2020, the Company recorded inventory reserve charges of $617,000 and $3,807,000, respectively. For the three and nine months end January 26, 2019 the Company recorded inventory impairment charges of $1,889,000 and $3,079,000, respectively.