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Acquisition - Additional Information (Details) - USD ($) $ in Thousands	Mar. 03, 2021	Jun. 30, 2021	Sep. 30, 2020
Business Acquisition [Line Items]
Goodwill - Net		$ 11,168	$ 6,633
Intersurface Dynamics, Inc.
Business Acquisition [Line Items]
Business acquisition, effective date of acquisition	Mar. 03, 2021
Business acquisition, percentage of voting interests acquired	100.00%
Business acquisition, cash purchase price	$ 5,300
Business acquisition, fair value of net assets	700
Business acquisition, identifiable intangible assets	400
Goodwill - Net	$ 4,500