Summary of Significant Accounting Policies - Schedule of Disaggregation of Revenue (Details) $ in Thousands	12 Months Ended
	Sep. 30, 2019 USD ($)
Revenue from External Customer [Line Items]
Managed service contracts, right to refund, period	30 days
Sales	$ 79,061
Product
Revenue from External Customer [Line Items]
Sales	65,882
Service
Revenue from External Customer [Line Items]
Sales	13,044
Finance
Revenue from External Customer [Line Items]
Sales	135
High Performance Products Segment
Revenue from External Customer [Line Items]
Sales	7,902
High Performance Products Segment | Product
Revenue from External Customer [Line Items]
Sales	6,406
High Performance Products Segment | Service
Revenue from External Customer [Line Items]
Sales	1,496
United Kingdom
Revenue from External Customer [Line Items]
Sales	5,316
United Kingdom | Product
Revenue from External Customer [Line Items]
Sales	4,936
United Kingdom | Service
Revenue from External Customer [Line Items]
Sales	380
U.S.
Revenue from External Customer [Line Items]
Sales	65,843
U.S. | Product
Revenue from External Customer [Line Items]
Sales	54,540
U.S. | Service
Revenue from External Customer [Line Items]
Sales	11,168
U.S. | Finance
Revenue from External Customer [Line Items]
Sales	135
TS
Revenue from External Customer [Line Items]
Sales	71,159
TS | Product
Revenue from External Customer [Line Items]
Sales	59,476
TS | Service
Revenue from External Customer [Line Items]
Sales	11,548
TS | Finance
Revenue from External Customer [Line Items]
Sales	$ 135