Revenues - Additional Information (Details1) - USD ($) $ in Thousands	Dec. 31, 2021	Sep. 30, 2021
Disaggregation Of Revenue [Line Items]
Remaining performance obligation	$ 3,703
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2022-01-01
Disaggregation Of Revenue [Line Items]
Remaining performance obligation	$ 3,403
Remaining performance obligation, satisfaction period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2023-01-01
Disaggregation Of Revenue [Line Items]
Remaining performance obligation	$ 300
Remaining performance obligation, satisfaction period	1 year
Google [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-10-01
Disaggregation Of Revenue [Line Items]
Remaining performance obligation, satisfaction period		3 months
Google [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2022-01-01
Disaggregation Of Revenue [Line Items]
Remaining performance obligation	$ 7,150
Remaining performance obligation, satisfaction period		1 year
Google [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2023-01-01
Disaggregation Of Revenue [Line Items]
Remaining performance obligation	7,150
Remaining performance obligation, satisfaction period		1 year
Google [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2024-01-01
Disaggregation Of Revenue [Line Items]
Remaining performance obligation	$ 5,363
Remaining performance obligation, satisfaction period		1 year