Commitments and Contingencies - Narrative (Details) $ in Thousands	1 Months Ended
	May 31, 2021 USD ($)	Apr. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Apr. 30, 2020 USD ($)	Jan. 31, 2020 USD ($)	Jul. 31, 2015 USD ($) ft²	Sep. 30, 2021	Jul. 31, 2021	Oct. 31, 2017	Oct. 31, 2015
Aliso Viejo headquarters
Other Commitments [Line Items]
Lease term						5 years
Square footage of lease space (in square feet) | ft²						14,881
Security deposit						$ 30
Lowest tier of letter of credit						$ 200
Scotland Design Center facility
Other Commitments [Line Items]
Lease term										5 years
Monthly rent					$ 19
Wuxi sales and design center
Other Commitments [Line Items]
Lease term									26 months
Shanghai lease
Other Commitments [Line Items]
Monthly rent				$ 3
Month-to-month lease
Other Commitments [Line Items]
Monthly rent			$ 1
Budapest, Hungary
Other Commitments [Line Items]
Lease term		3 years
Monthly rent		$ 6
Detroit, Michigan
Other Commitments [Line Items]
Lease term	7 years
Monthly rent	$ 22
Dresden, Germany
Other Commitments [Line Items]
Lease term								3 years
Dresden, Germany
Other Commitments [Line Items]
Lease term							3 years