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Note 5 - Debt Obligations (Details Textual)
7 Months Ended 12 Months Ended
Dec. 20, 2017
USD ($)
Dec. 18, 2017
USD ($)
$ / shares
shares
Jul. 20, 2017
USD ($)
$ / shares
Jul. 18, 2017
USD ($)
$ / shares
shares
May 24, 2017
USD ($)
$ / shares
shares
Jan. 13, 2017
USD ($)
shares
Dec. 30, 2016
USD ($)
$ / shares
shares
Dec. 27, 2016
USD ($)
$ / shares
shares
Sep. 17, 2016
USD ($)
$ / shares
shares
Jul. 08, 2016
USD ($)
$ / shares
shares
Jun. 06, 2016
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2017
USD ($)
shares
Dec. 31, 2016
USD ($)
$ / shares
shares
Dec. 29, 2017
$ / shares
Dec. 11, 2017
$ / shares
shares
Oct. 23, 2017
$ / shares
shares
Sep. 26, 2017
$ / shares
shares
Jul. 30, 2017
$ / shares
Interest Expense, Debt                         $ 3,862,173 $ 3,129,364          
Proceeds from Lines of Credit                     $ 300,000   250,000 300,000          
Line of Credit Facility, Interest Rate During Period                     18.00%                
Repayments of Line of Credit, Including Accrued Interest $ 51,907                                    
Repayments of Lines of Credit 50,000                       50,000          
Interest Paid, Net                         8,708 6,731          
Long-term Line of Credit                       $ 0 0            
Debt Instrument, Convertible, Conversion Price | $ / shares                 $ 0.55                    
Proceeds from Notes Payable                         500,000          
Shares Issued, Price Per Share | $ / shares                               $ 0.394 $ 0.42 $ 0.42  
Share Price | $ / shares   $ 0.41         $ 0.83 $ 0.86 $ 0.70                    
Winter 2016 Unit Offering [Member]                                      
Debt Instrument, Convertible, Conversion Price | $ / shares               $ 0.57                      
Debt Instrument, Interest Rate, Stated Percentage               12.00%                      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares           512,281                          
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares               $ 0.70                      
Number of Trading Days Prior to Interest Payment Due Date if Paid by Issuance of Common Stock               20 days                      
Debt Conversion before Maturity, Number of Trading Days Common Stock Closes at or above 3 Times the Unit Price               10 days                      
Units Issued During Period, Value, New Issues               $ 600,000                      
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right | shares               1                      
Class of Warrant or Right, Exercise Period               30 days                      
Class of Warrant or Right, Exercise Period Condition, Number of Trading Days Common Stock Closes at or above 2 Times the Exercise Price               10 days                      
Proceeds from Issuance of Units           $ 292,000                          
Convertible Notes Payable [Member] | Vista Capital [Member]                                      
Debt Instrument, Convertible, Conversion Price | $ / shares   $ 0.394                         $ 0.394        
Debt Instrument, Face Amount   $ 500,000                                  
Debt Instrument, Interest Rate, Stated Percentage   5.00%                                  
Proceeds from Notes Payable   $ 500,000                                  
Debt Instrument, Convertible, Beneficial Conversion Feature   $ 20,305                                  
The 2015 Unit Offering [Member]                                      
Proceeds from Convertible Debt                           2,140,000          
Debt Instrument, Interest Rate, Stated Percentage                       12.00% 12.00%            
Number of Trading Days Prior to Interest Payment Due Date if Paid by Issuance of Common Stock                         20 years            
Debt Conversion before Maturity, Number of Trading Days Common Stock Closes at or above 3 Times the Unit Price                         10 days            
Vista Purchase Agreement [Member]                                      
Stock Issued During Period, Shares, Commitment Fee | shares   250,000                                  
Shares Issued, Price Per Share | $ / shares   $ 0.39                                  
Vista Purchase Agreement [Member] | Additional Paid-in Capital [Member]                                      
Stock Issued During Period, Value, Commitment Fee   $ 98,500                                  
Warrants Issued Concurrently With One Year Convertible Note [Member]                                      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares       400,000     400,000     400,000           2,081,216 619,047 577,777  
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares       $ 0.65 $ 0.42   $ 0.75     $ 0.65           $ 0.394 $ 0.42 $ 0.45 $ 0.65
Class of Warrant or Right, Expiration Term             5 years     5 years                  
Warrant Issued in Exchange of Cancelled Line of Credit [Member]                                      
Debt Conversion, Original Debt, Amount                           $ 515,583          
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares                 515,583                    
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares                 $ 0.70         $ 0.70          
Warrants Issued Concurrently to the Summer 2017 Unit Offering [Member]                                      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares         1,246,906                            
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right | shares         1                            
Class of Warrant or Right, Exercise Period         30 days                            
Class of Warrant or Right, Exercise Period Condition, Number of Trading Days Common Stock Closes at or above 2 Times the Exercise Price         10 days                            
Proceeds from Issuance of Units                       $ 523,700              
One Year Convertible Notes [Member]                                      
Proceeds from Convertible Debt       $ 250,000     $ 250,000     $ 250,000                  
Debt Instrument, Convertible, Conversion Price | $ / shares       $ 0.42     $ 0.57     $ 0.45                  
Debt Instrument, Face Amount       $ 280,000     $ 280,000     $ 280,000                  
Debt Instrument, Interest Rate, Stated Percentage       3.00%     3.00%     3.00%                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares       400,000                              
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares       $ 0.65                              
Class of Warrant or Right, Expiration Term       5 years                              
Debt Conversion, Converted Instrument, Shares Issued | shares           622,222                          
Debt Instrument, Convertible, Number of Equity Instruments       666,667                              
Debt Instrument, Convertible, Threshold Consecutive Trading Days       10                              
Summer 2017 Unit Offering [Member]                                      
Debt Instrument, Convertible, Conversion Price | $ / shares         $ 0.42                   $ 0.394        
Debt Instrument, Interest Rate, Stated Percentage         12.00%                            
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares         $ 0.65                            
Number of Trading Days Prior to Interest Payment Due Date if Paid by Issuance of Common Stock         20 days                            
Debt Conversion before Maturity, Number of Trading Days Common Stock Closes at or above 3 Times the Unit Price         10 days                            
Proceeds from Issuance of Private Placement         $ 1,500,000                            
Two Year Convertible Note [Member]                                      
Proceeds from Convertible Debt     $ 400,000                                
Debt Instrument, Convertible, Conversion Price | $ / shares     $ 0.42                                
Debt Instrument, Face Amount     $ 440,000                                
Debt Instrument, Interest Rate, Stated Percentage     12.00%                                
Debt Instrument, Convertible, Number of Equity Instruments     2,000                                
Debt Instrument, Discount Percent     10.00%                                
Debt Instrument, Unamortized Discount     $ 171,429                                
Line of Credit [Member]                                      
Interest Paid, Net $ 1,907                                    
Conversion of Line of Credit to 2015 Unit Offering [Member]                                      
Debt Conversion, Original Debt, Amount                 $ 250,000                    
Debt Conversion, Converted Instrument, Amount                 250,000                    
Debt Conversion, Original Debt, Accrued Interest Amount                 $ 33,571                    
Promissory Notes Issued in 2015 Unit Offering and Accrued Interest Into Common Stock [Member]                                      
Debt Conversion, Original Debt, Amount                         $ 331,250 $ 589,371          
Debt Conversion, Converted Instrument, Shares Issued | shares                         1,009,192 2,167,420          
Vista Note [Member]                                      
Debt Instrument, Convertible, Number of Equity Instruments   1,269,036