Annual report pursuant to Section 13 and 15(d)

Financial Instruments Fair Value Measurements - Schedule of Fair Value Assumption Used (Details)

v3.19.1
Financial Instruments Fair Value Measurements - Schedule of Fair Value Assumption Used (Details) - USD ($)
12 Months Ended
Dec. 27, 2018
Dec. 27, 2018
Nov. 17, 2017
Dec. 31, 2018
Dec. 31, 2017
Value of common stock       $ 0.001 $ 0.001
Aggregate fair value [1]       $ 973,340
Exercise price per share       $ 5.00  
Senior Secured Convertible Note [Member]          
Fair value $ 7,750,000 $ 7,750,000   $ 7,903,000 7,750,000
Face value principal payable $ 7,750,000 $ 7,750,000   $ 7,750,000 $ 7,750,000
Conversion price $ 1.60 $ 1.60   $ 1.60  
Value of common stock $ 0.92 $ 0.92   $ 0.96  
Expected term (years) 2 years     2 years  
Aggregate fair value       $ 7,903,000  
Measurement Input, Required Rate of Return [Member] | Senior Secured Convertible Note [Member]          
Fair value assumptions, measurement input, percentages   13.20%   13.10%  
Measurement Input, Price Volatility [Member] | Senior Secured Convertible Note [Member]          
Fair value assumptions, measurement input, percentages   46.00%   50.00%  
Measurement Input, Risk Free Interest Rate [Member] | Senior Secured Convertible Note [Member]          
Fair value assumptions, measurement input, percentages   2.50%   2.50%  
Measurement Input, Expected Dividend Rate [Member] | Senior Secured Convertible Note [Member]          
Fair value assumptions, measurement input, percentages   0.00%   0.00%  
November 17, 2017 Exchange Date [Member] | Series A-1 Warrants Issued Upon Exchange of Series A Warrants [Member]          
Value of common stock     $ 4.33    
Aggregate fair value     $ 1,347,082    
Exercise price per share     $ 5.00    
November 17, 2017 Exchange Date [Member] | Series A-1 Warrants Issued Upon Exchange of Series A Warrants [Member] | Measurement Input, Price Volatility [Member]          
Fair value assumption, percentage     57.00%    
November 17, 2017 Exchange Date [Member] | Series A-1 Warrants Issued Upon Exchange of Series A Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member]          
Fair value assumption, percentage     2.00%    
November 17, 2017 Exchange Date [Member] | Series A-1 Warrants Issued Upon Exchange of Series A Warrants [Member] | Measurement Input, Expected Dividend Rate [Member]          
Fair value assumption, percentage     0.00%    
November 17, 2017 Exchange Date [Member] | Series A-1 Warrants Issued Upon Exchange of Series A Warrants [Member] | Measurement Input, Expected Term [Member]          
Expected term (years)     4 years 2 months 12 days    
[1] As noted above, as presented in the fair value hierarchy table, Level-1 represents quoted prices in active markets for identical items, Level-2 represents significant other observable inputs, and Level-3 represents significant unobservable inputs.