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Property, Plant, and Equipment, net
 9 Months Ended
Jun. 30, 2018
Property, Plant and Equipment [Abstract]  
Property, Plant, and Equipment, net
Property, Plant, and Equipment, net

The components of property, plant, and equipment, net consisted of the following:

 
As of
 
As of
(in thousands)
June 30, 2018
 
September 30, 2017
Equipment
$
35,590

 
$
31,507

Furniture and fixtures
1,109

 
1,109

Computer hardware and software
2,908

 
2,974

Leasehold improvements
1,908

 
2,330

Construction in progress
3,335

 
4,539

Property, plant, and equipment, gross
$
44,850

 
42,459

Accumulated depreciation
(27,273
)
 
(25,824
)
Property, plant, and equipment, net
$
17,577

 
$
16,635


In March 2017, in connection with our opening a new manufacturing facility in China, we identified equipment with a net book value of approximately $0.6 million that would no longer be utilized after the planned move later in fiscal year 2017. After taking into consideration the costs of disposal and estimated net funds from the sale of the equipment of approximately $0.1 million, we recorded a charge to impairments of approximately $0.5 million in the nine months ended June 30, 2017.