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Percentage of issued and outstanding shareholders converted.

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The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Amounts due to recorded owners or owners with a beneficial interest of more than 10 percent of the voting interests or officers of the company.

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Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The cash outflow for cost incurred directly with the issuance of an equity security.

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The cash inflow associated with the amount received from holders exercising their stock warrants.

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Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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Number of new stock issued during the period.

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Related Party Transactions (Details) - USD ($)			1 Months Ended		3 Months Ended		6 Months Ended
Related Party Transactions (Details) - USD ($)	Apr. 05, 2019	Mar. 04, 2019	Apr. 30, 2019	Apr. 05, 2019	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Related Party Transactions (Details) [Line Items]
Proceeds from Warrant Exercises							$ 5,298,000
Conversion of SBCPS to Common Stock [Member]
Related Party Transactions (Details) [Line Items]
Shareholders Conversion, Percentage		96.10%
Conversion of Stock, Shares Issued (in Shares)		1,586,400
Transtech [Member]
Related Party Transactions (Details) [Line Items]
Related Party Transaction, Purchases from Related Party					$ 406,000	$ 64,000	416,000	$ 127,000
Due to Related Parties, Current					0		0		$ 305,000
Stockholders and Certain Directors [Member] \| Conversion of SBCPS to Common Stock [Member]
Related Party Transactions (Details) [Line Items]
Shareholders Conversion, Percentage		5.00%
Unilumin [Member]
Related Party Transactions (Details) [Line Items]
Proceeds from Warrant Exercises	$ 3,500,000	$ 2,000,000	$ 3,500,000	$ 5,500,000
Stock Issued During Period, Shares, New Issues (in Shares)	3,608,247	2,061,856
Payments of Stock Issuance Costs				$ 202,000
Equity Method Investment, Ownership Percentage	52.20%			52.20%
Executive Officer [Member]
Related Party Transactions (Details) [Line Items]
Due to Officers or Stockholders					$ 0		$ 0		$ 427,000