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Related Party Transactions (Details) - USD ($)
3 Months Ended 5 Months Ended 12 Months Ended
Apr. 09, 2019
Apr. 05, 2019
Mar. 04, 2019
Apr. 05, 2019
May 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Transtech [Member]              
Related Party Transactions (Details) [Line Items]              
Related Party Transaction, Purchases from Related Party           $ 211,000 $ 1,900,000
Accounts Payable, Related Parties           305,000 $ 149,000
Executive Officer [Member]              
Related Party Transactions (Details) [Line Items]              
Due to Officers or Stockholders           $ 427,000  
Subsequent Event [Member]              
Related Party Transactions (Details) [Line Items]              
Gross Proceeds from Rights Offering         $ 2,500,000    
Subsequent Event [Member] | Unilumin [Member]              
Related Party Transactions (Details) [Line Items]              
Proceeds from Warrant Exercises   $ 3,500,000 $ 2,000,000 $ 5,500,000 $ 5,500,000    
Common Stock [Member] | Unilumin [Member]              
Related Party Transactions (Details) [Line Items]              
Equity Method Investment, Ownership Percentage           52.20%  
Common Stock [Member] | Subsequent Event [Member]              
Related Party Transactions (Details) [Line Items]              
Gross Proceeds from Rights Offering $ 2,500,000            
Conversion of Stock, Shares Issued (in Shares) 2,500,000            
Common Stock [Member] | Subsequent Event [Member] | Unilumin [Member]              
Related Party Transactions (Details) [Line Items]              
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares)   3,608,247 2,061,856 3,608,247      
Proceeds from Warrant Exercises   $ 3,500,000 $ 2,000,000