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Inventories
6 Months Ended
Mar. 31, 2018
Inventory Disclosure [Abstract]  
Inventories
Inventories

Inventories consist of the following:
 
March 31, 2018
 
September 30, 2017
 
(Amounts in thousands)
Raw materials
$
1,067

 
$
1,334

Work-in-process
279

 
260

Finished goods
3,403

 
4,377

Total
$
4,749

 
$
5,971


     
Finished goods includes inventory that has been shipped, but for which all revenue recognition criteria has not been met, of approximately $0.2 million and $0.4 million as of March 31, 2018 and September 30, 2017, respectively.

Total inventory balances in the table above are shown net of reserves for obsolescence of approximately $3.4 million and $3.1 million as of March 31, 2018 and September 30, 2017, respectively.