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Selected Balance Sheet Data
 6 Months Ended
Mar. 31, 2018
Selected Balance Sheet Data [Abstract]  
SELECTED BALANCE SHEET DATA
SELECTED BALANCE SHEET DATA
The following table shows selected balance sheet data (in thousands):
 
March 31,
2018
 
September 30, 2017
Accounts receivable, net:
 
 
 
Accounts receivable
$
42,778

 
$
31,365

Less allowance for doubtful accounts
566

 
341

Less reserve for future returns and pricing adjustments
2,423

 
2,169

Accounts receivable, net
$
39,789

 
$
28,855

Inventories:
 
 
 
Raw materials
$
24,804

 
$
24,050

Work in process
634

 
484

Finished goods
14,232

 
5,704

Inventories
$
39,670

 
$
30,238


Inventories are stated at the lower of cost or net realizable value, with cost determined using the first-in, first-out method.