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Convertible Notes Payable - Summary of Common Stock and Preferred Stock Shares Issued under Notes and New Notes (Parenthetical) (Details) - USD ($)
12 Months Ended
Dec. 28, 2017
Nov. 15, 2017
Oct. 10, 2017
Aug. 28, 2017
Aug. 04, 2017
Jul. 07, 2017
Jul. 02, 2017
Jun. 07, 2017
May 09, 2017
Apr. 10, 2017
Mar. 13, 2017
Mar. 02, 2017
Feb. 10, 2017
Feb. 01, 2017
Jan. 12, 2017
Dec. 31, 2017
Dec. 28, 2017
Dec. 31, 2016
Dec. 31, 2015
Debt Instrument [Line Items]                                      
Reduction in Principal         $ 1,015,848 $ 2,000,000     $ 1,913,915 $ 3,621,286 $ 4,417,829 $ 125,999 $ 3,045,817 $ 544,000 $ 1,478,318 $ 40,121,000 $ 35,000,000 $ 649,000 $ 0
Gain (loss) on warrant extinguishment   $ (21,000,000)                           $ 9,613,000   $ 0 $ 0
Restructuring Agreement [Member]                                      
Debt Instrument [Line Items]                                      
Reduction in Principal       $ 1,200,000                              
Loss on debt settlement       $ 1,900,000                              
Gain (loss) on warrant extinguishment     $ (2,300,000)                                
Common Stock Issued [Member]                                      
Debt Instrument [Line Items]                                      
Number of shares issued         38,906 114,286     109,367 169,061 117,297 2,571 43,882 4,857 11,753   222,575,755    
Common Stock Issued [Member] | Restructuring Agreement [Member]                                      
Debt Instrument [Line Items]                                      
Number of shares issued       117,171                              
Series A Preferred Stock [Member]                                      
Debt Instrument [Line Items]                                      
Number of shares issued             4,200                        
Exchange Agreement [Member]                                      
Debt Instrument [Line Items]                                      
Reduction in Principal $ 2,474,174 $ 8,130,564         $ 4,200,000 $ 4,200,000                      
Number of shares issued 123,700,000                                    
Loss on debt settlement             $ 1,000,000                        
Gain (loss) on warrant extinguishment $ (3,700,000)                                    
Exchange Agreement [Member] | Retirement Per Exchange Agreement [Member]                                      
Debt Instrument [Line Items]                                      
Reduction in Principal $ 600,000                                    
Exchange Agreement [Member] | Common Stock Issued [Member]                                      
Debt Instrument [Line Items]                                      
Number of shares issued 123,708,735 97,448,072         689,796 689,796                      
Exchange Agreement [Member] | Provision to Exchange [Member]                                      
Debt Instrument [Line Items]                                      
Reduction in Principal   $ 600,000                                  
Number of shares issued   973,764                                  
Exchange Agreement [Member] | Updated Conversion Price Formula [Member]                                      
Debt Instrument [Line Items]                                      
Reduction in Principal   $ 7,500,000                                  
Number of shares issued   96,500,000                                  
Exchange Agreement [Member] | Series A Preferred Stock [Member]                                      
Debt Instrument [Line Items]                                      
Number of shares issued             4,200