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Note O - Equity (Details Textual)
 12 Months Ended
Dec. 29, 2016
Dec. 13, 2016
USD ($)
$ / shares
shares
Nov. 18, 2016
USD ($)
$ / shares
shares
Nov. 11, 2016
USD ($)
shares
Nov. 11, 2015
USD ($)
$ / shares
shares
Oct. 29, 2015
USD ($)
$ / shares
shares
Mar. 09, 2015
USD ($)
$ / shares
shares
Feb. 03, 2015
Nov. 13, 2014
USD ($)
$ / shares
shares
Nov. 08, 2013
USD ($)
$ / shares
shares
Oct. 25, 2013
shares
Dec. 31, 2016
USD ($)
$ / shares
shares
Dec. 31, 2015
USD ($)
$ / shares
shares
Nov. 30, 2016
$ / shares
Nov. 30, 2015
$ / shares
Oct. 31, 2015
$ / shares
Sep. 23, 2015
shares
Preferred Stock, Shares Authorized | shares                       5,000,000          
Preferred Stock, Par or Stated Value Per Share | $ / shares                       $ 0.0001          
Share Price | $ / shares                       $ 2.65          
Proceeds from Issuance of Convertible Preferred Stock                       $ 19,500,000        
Dividends Payable                       401,250 133,851        
Payments of Stock Issuance Costs                       84,866 459,102        
Proceeds from Issuance of Common Stock                       1,860,000        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares             47,917                    
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares             $ 2.52                    
Term Of Warrant             1 year                    
Stock Issued During Period, Value, New Issues                       1,860,000 19,500,000        
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value                                
Stock Issued During Period, Value, Issued for Services                       105,000          
Class of Warrant or Right, Nonemployee Compensation Expense                       $ 11,625 $ 51,026        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | shares                       0 0        
Promissory Note [Member]                                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares                                 69,445
Consultancy Firm [Member]                                  
Share Price | $ / shares   $ 2.52                              
Stock Issued During Period, Shares, Issued for Services | shares   41,667                              
Stock Issued During Period, Value, Issued for Services   $ 105,000                              
Director [Member]                                  
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures | shares                       18,914          
Stock Granted, Value, Share-based Compensation, Net of Forfeitures                       $ 45,000          
Chief Executive Officer [Member]                                  
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures | shares                       8,334          
Stock Granted, Value, Share-based Compensation, Net of Forfeitures                       $ 17,000          
Warrants Issued Under PISPA [Member]                                  
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances                       7,478          
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings                       7,478          
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value                       $ 0 $ 7,478        
Warrants Issued Under PISPA [Member] | Fair Value, Inputs, Level 3 [Member]                                  
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances                   $ 325,891              
Private Investor SPA [Member]                                  
Stock Issued During Period, Shares, New Issues | shares                 664,584 1,026,972 1,026,972            
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares                 996,877                
Proceeds from Issuance of Private Placement                 $ 1,595,000                
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares                 $ 3.60         $ 3.60      
Term Of Warrant                 5 years                
Wong Kwok Fong [Member]                                  
Stock Issued During Period, Shares, New Issues | shares     516,667 516,667                          
Share Price | $ / shares     $ 3.60                            
Proceeds from Issuance of Common Stock     $ 1,860,000 $ 1,860,000                          
Reverse Stock Split [Member]                                  
Stockholders' Equity Note, Stock Split, Conversion Ratio 12             2       12 2        
Convertible Preferred Stock [Member] | Series A-1 Shares [Member]                                  
Preferred Stock, Shares Authorized | shares                       100,000 100,000        
Preferred Stock, Par or Stated Value Per Share | $ / shares                       $ 0.0001 $ 0.0001        
Preferred Stock, Shares Outstanding | shares                       90,000 90,000        
Stock Issued During Period, Shares, New Issues | shares         5,500 84,500             90,000        
Share Price | $ / shares         $ 100 $ 100                      
Proceeds from Issuance of Convertible Preferred Stock         $ 550,000 $ 8,450,000                      
Initial Conversion Price | $ / shares         $ 3.60 $ 3.60                   $ 3.60  
Preferred Stock, Dividend Rate, Percentage         6.00%                        
Period Preceding the Dividend Payment Date         10 days                        
Liquidation Value Per Share | $ / shares         $ 100                        
Dividends Payable                       $ 270,000          
Stock Issued During Period, Value, New Issues                       $ 9        
Stock Issued During Period, Value, Issued for Services                                
Preferred Stock, Shares Issued | shares                       90,000 90,000        
Convertible Preferred Stock [Member] | Series A-1 Shares [Member] | Maximum [Member]                                  
Maximum Ownership as a Result of Conversion         9.99%                        
Convertible Preferred Stock [Member] | Series B-1 Shares [Member]                                  
Preferred Stock, Shares Authorized | shares                       105,000 105,000        
Preferred Stock, Par or Stated Value Per Share | $ / shares                       $ 0.0001 $ 0.0001        
Preferred Stock, Shares Outstanding | shares                       105,000 105,000        
Stock Issued During Period, Shares, New Issues | shares         105,000               105,000        
Share Price | $ / shares         $ 100                        
Proceeds from Issuance of Convertible Preferred Stock         $ 10,500,000                        
Initial Conversion Price | $ / shares         $ 3.60                        
Preferred Stock, Dividend Rate, Percentage         2.50%                        
Period Preceding the Dividend Payment Date         10 days                        
Liquidation Value Per Share | $ / shares         $ 100                        
Dividends Payable                       $ 131,250          
Stock Issued During Period, Value, New Issues                       $ 11        
Stock Issued During Period, Value, Issued for Services                                
Preferred Stock, Shares Issued | shares                       105,000 105,000        
Convertible Preferred Stock [Member] | Series B-1 Shares [Member] | Maximum [Member]                                  
Maximum Ownership as a Result of Conversion         9.99%                        
Common Stock [Member]                                  
Stock Issued During Period, Shares, New Issues | shares                       516,667          
Share Price | $ / shares                             $ 3.60    
Stock Issued During Period, Value, New Issues                       $ 52        
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures | shares                       27,248 8,102        
Stock Issued During Period, Shares, Issued for Services | shares                       41,667          
Stock Issued During Period, Value, Issued for Services                       $ 4          
Common Stock [Member] | Private Investor SPA [Member]                                  
Stock Issued During Period, Shares, New Issues | shares                   1,026,972 1,026,972            
Warrant [Member] | Fair Value, Inputs, Level 3 [Member]                                  
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3             $ 98,065                    
Fair Value Assumptions, Risk Free Interest Rate             1.66%                    
Fair Value Assumptions, Expected Term             5 years                    
Fair Value Assumptions, Expected Dividend Rate             0.00%                    
Fair Value Assumptions, Expected Volatility Rate             115.70%                    
Warrant [Member] | Private Investor SPA [Member]                                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares                   1,026,972 1,026,972            
Private Investor SPA [Member]                                  
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares                   $ 6              
Term Of Warrant                   3 years              
Stock Issued During Period, Value, New Issues                   $ 3,697,100              
Placement Agent Warrants [Member]                                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares                   82,158              
Commissions and Fees, Percent of Gross Proceeds                   8.00%