Balance Sheet Components - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025	Dec. 31, 2025
Impairment Effects on Earnings Per Share [Line Items]
Accounts receivable, net	$ 17,682,000		$ 17,682,000		$ 22,270,000
Employee retention credits	0		0		1,294,000
Depreciation expense	2,000	$ 15,000	17,000	$ 87,000
Impairment charges, long lived asset	0	0	0	0
Amortization expense of intangible asset			5,977,000	6,389,000
Loss on impairment of assets	0	0	0	0
Additions			0		614,000
Accounts Receivable, Credit Loss Expense (Reversal)			(19,000)		$ 0
Platform Development
Impairment Effects on Earnings Per Share [Line Items]
Amortization expense of intangible asset	1,058,000	1,444,000	3,186,000	3,828,000
Impairment charges	0	0	0	0
Other Intangible Assets
Impairment Effects on Earnings Per Share [Line Items]
Amortization expense of intangible asset	$ 1,005,000	$ 862,000	$ 2,791,000	$ 2,561,000