Balance Sheet Components - Narrative (Details) - USD ($)	3 Months Ended	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Depreciation expense			$ 1,400,000	$ 700,000
Goodwill	$ 2,333,000	$ 2,333,000	2,333,000	2,333,000
Goodwill, accumulated impairment loss	0		0
Goodwill acquired			0	0
Goodwill disposed of			0
Goodwill, impairment loss	$ 0	$ 0
Amortization expense related to intangibles			$ 100,000	$ 100,000	$ 100,000

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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