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Debt (Details Narrative 1) - USD ($)
3 Months Ended 9 Months Ended
Nov. 10, 2016
Sep. 30, 2017
Sep. 30, 2017
Dec. 31, 2016
Loan Amendment and Assumption Agreement [Member]        
Debt Instrument [Line Items]        
Frequency of periodic payment Monthly      
Periodic payment $ 15,411      
Building Loan [Member]        
Debt Instrument [Line Items]        
Debt amount   $ 2,371,000 $ 2,371,000 $ 2,441,000
Effective interest rate   3.75% 3.75%  
Interest expense   $ 23,000 $ 68,000  
USC Working Capital Loan [Member]        
Debt Instrument [Line Items]        
Debt amount   $ 0 $ 0 1,864,000
Effective interest rate   3.75% 3.75%  
Interest expense   $ 0 $ 29,000  
Borrowing capacity under loan   $ 2,500,000 $ 2,500,000  
Borrowing base - trade account receivables   80.00% 80.00%  
Borrowing base - inventories   50.00% 50.00%  
Cash flow coverage ratio   120.00% 120.00%  
Quarterly prinicipal payment option     $ 250,000  
Equipment Loan - Tribune [Member]        
Debt Instrument [Line Items]        
Debt amount   $ 518,000 $ 518,000  
Interest rate   4.75% 4.75%  
USC Equipment Loan [Member]        
Debt Instrument [Line Items]        
Debt amount   $ 635,000 $ 635,000  
Interest rate   3.25% 3.25%  
Borrowing capacity under loan   $ 700,000 $ 700,000  
Consolidated Equipment Loans [Member]        
Debt Instrument [Line Items]        
Frequency of periodic payment     Monthly  
Periodic payment     $ 33,940  
Debt amount $ 1,152,890 815,000 815,000 $ 1,092,000
Interest rate 3.75%      
Interest expense   $ 8,000 $ 27,000