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SENIOR NOTES - Embedded Derivatives (Details)
12 Months Ended
Dec. 26, 2019
USD ($)
$ / shares
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Oct. 17, 2018
$ / shares
Embedded derivatives        
Stock price (in dollars per share) | $ / shares $ 0.22     $ 0.25
Default Intensity (as a percent) 2.00%      
Recovery Rate (as a percent) 30.00%      
Risk-Free Interest Rate        
Embedded derivatives        
Embedded derivative measurement input 2.63      
Estimated Stock Volatility        
Embedded derivatives        
Embedded derivative measurement input 40.00      
Embedded derivatives        
Embedded derivatives        
Fair Value Inputs Mandatory Redemption   10.00%    
Fair Value Inputs Conversion Option   0.00%    
Fair Value Inputs Note Maturity   90.00%    
Convertible Notes        
Embedded derivatives        
Carrying value of Notes   $ 6,200,000 $ 5,800,000  
Unamortized debt discount   1,100,000 100,000  
Fair value of notes payable   6,200,000 4,000,000  
Convertible Notes | Embedded derivatives        
Embedded derivatives        
Fair value of embedded derivatives   600,000 14,150  
Net gain on changes in fair value of embedded derivatives   (14,150,000,000)    
Non-convertible Promissory Note        
Embedded derivatives        
Carrying value of Notes   1,200,000 1,300,000  
Unamortized debt discount   200,000    
Fair value of notes payable   1,200,000 $ 900,000  
Non-convertible Promissory Note | Embedded derivatives        
Embedded derivatives        
Fair value of embedded derivatives   $ 100,000