Business Combinations - Narrative (Details) - USD ($)			1 Months Ended	3 Months Ended	9 Months Ended		12 Months Ended
	Jun. 10, 2021	May 13, 2020	May 31, 2021	Mar. 31, 2021	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Business Acquisition [Line Items]
Deferred City Semi compensation					$ 375,000	$ 278,000
Redemption of Class H units	$ (900,000)				$ (900,000)	$ 0
Software licenses
Business Acquisition [Line Items]
Weighted average remaining useful life					3 years		7 months 6 days
City Semi
Business Acquisition [Line Items]
Consideration transferred		$ 2,029,000
Maximum contingent consideration		2,000,000
Deferred City Semi compensation		1,180,000
Tax deductible goodwill		$ 0
Revenue of acquiree since acquisition date				$ 0
Earnings or loss of acquiree since acquisition date				$ 0
City Semi | Developed technology
Business Acquisition [Line Items]
Weighted average remaining useful life		7 years
City Semi | Software licenses
Business Acquisition [Line Items]
Weighted average remaining useful life		1 year
Contingent consideration, tranche one
Business Acquisition [Line Items]
Contingent consideration							$ 500,000
Contingent consideration, tranche one | City Semi
Business Acquisition [Line Items]
Maximum contingent consideration		$ 500,000
Deferred City Semi compensation			$ 456,000
Contingent consideration							500,000
Contingent consideration, tranche two
Business Acquisition [Line Items]
Contingent consideration					$ 1,200,000		900,000
Contingent consideration, tranche two | City Semi
Business Acquisition [Line Items]
Maximum contingent consideration		$ 1,500,000
Contingent consideration					$ 1,200,000		$ 900,000