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Related Party Transactions (Details) - USD ($)			1 Months Ended		3 Months Ended		9 Months Ended
Related Party Transactions (Details) - USD ($)	Apr. 05, 2019	Mar. 04, 2019	Apr. 30, 2019	Apr. 05, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Related Party Transactions (Details) [Line Items]
Proceeds from Warrant Exercises							$ 5,298,000
Due to Officers or Stockholders, Noncurrent					$ 0		$ 0		$ 427,000
Conversion Of SBCPS To Common Stock [Member]
Related Party Transactions (Details) [Line Items]
Conversion of Stock, Shares Converted (in Shares)							16,512
Conversion of Stock, Shares Issued (in Shares)							1,651,200
Shareholders Conversion, Percentage							5.00%
Transtech [Member]
Related Party Transactions (Details) [Line Items]
Related Party Transaction, Purchases from Related Party					74,000	$ 44,000	$ 469,000	$ 171,000
Accounts Payable, Related Parties					56,000		56,000		$ 305,000
Unilumin [Member]
Related Party Transactions (Details) [Line Items]
Related Party Transaction, Purchases from Related Party					$ 62,000		$ 83,000
Proceeds from Warrant Exercises	$ 3,500,000	$ 2,000,000	$ 3,500,000
Stock Issued During Period, Shares, New Issues (in Shares)	3,608,247	2,061,856
Proceeds from Issuance of Common Stock				$ 5,500,000
Payments of Stock Issuance Costs				$ 202,000
Unilumin [Member]
Related Party Transactions (Details) [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners					52.00%		52.00%