Amount for accounts payable to related parties.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Name:	us-gaap_AccountsPayableRelatedPartiesCurrentAndNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Related Party Transactions (Details) - USD ($)	3 Months Ended		9 Months Ended
Related Party Transactions (Details) - USD ($)	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Unilumin [Member]
Related Party Transactions (Details) [Line Items]
Equity Method Investment, Ownership Percentage	52.00%		52.00%
Related Party Transaction, Purchases from Related Party	$ 461,000	$ 177,000	$ 1,100,000	$ 366,000
Accounts Payable, Related Parties	$ 2		$ 2		$ 231,000
Beneficial Owner [Member]
Related Party Transactions (Details) [Line Items]
Equity Method Investment, Ownership Percentage	53.70%		53.70%