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Inventories, net
12 Months Ended
Apr. 30, 2021
Inventories, net  
Inventories, net

5.           Inventories, net

Inventories consist of the following (in thousands):

April 30,

 

2021

    

2020

 

Raw materials

$

23,997

$

15,988

Work in process

 

13,825

 

10,340

Finished goods

 

44,113

 

29,439

Inventories, gross

 

81,935

 

55,767

Reserve for inventory excess and obsolescence

 

(10,289)

 

(10,232)

Inventories, net

$

71,646

$

45,535

For the fiscal years ended April 30, 2021, 2020 and 2019, the Company recorded inventory reserve charges of $1,178,000, $5,377,000 and $5,054,000, respectively. Of the $5,377,000 inventory reserve recorded during fiscal year ended April 30, 2020, approximately $2,600,000 related to an impairment of the remaining net book value of the Company’s Quantix commercial UAS solution.