Intangible Assets, Net and Other non-current Assets (Tables)

6 Months Ended

Jun. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Components of Identifiable Intangible Assets

The following table provides the components of identifiable intangible assets, all of which are finite lived:

	June 30, 2021		December 31, 2020
Purchased technology-based intangible	$	2,358	$	2,358
Purchased patent	509		509
	2,867		2,867
Less: accumulated amortization	(2,791)		(2,765)
Intangible assets, net	76		102
Royalty receivable	6,000		7,000
Other	908		836
Total other non-current assets	$	6,908	$	7,836