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Note 4 - Convertible Notes Payable and Line of Credit (Details Textual)
1 Months Ended 3 Months Ended
Mar. 31, 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 ($)
shares
May 15, 2017
USD ($)
Mar. 31, 2017
USD ($)
$ / shares
shares
Mar. 31, 2016
USD ($)
Apr. 30, 2017
$ / shares
Dec. 31, 2016
USD ($)
Interest Expense, Debt                 $ 953,636 $ 406,325    
Debt Conversion, Original Debt, Amount                 141,763 206,934    
Proceeds from Lines of Credit             $ 300,000          
Line of Credit Facility, Interest Rate During Period             18.00%          
Line of Credit, Current $ 50,000               50,000     $ 50,000
Long-term Debt, Gross $ 5,760,668               $ 5,760,668      
Share Price | $ / shares     $ 0.83 $ 0.86 $ 0.70           $ 0.51  
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               512,281      
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares       $ 0.70                
Units Issued During Period, Value, New Issues       $ 600,000                
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                
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      
Winter 2016 Unit Offering [Member] | Three accredited Investors [Member]                        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares 219,298               219,298      
Proceeds from Issuance of Units                 $ 125,000      
Clyra Medical Technology Inc [Member] | Sanatio [Member]                        
Debt Instrument, Interest Rate, Stated Percentage 10.00%               10.00%      
Proceeds from Lines of Credit $ 175,000             $ 75,000        
Line of Credit Facility, Maximum Borrowing Capacity $ 250,000               $ 250,000      
Original Issue Discount, Percentage 5.00%               5.00%      
Number of Days’ Written Notice Required to Call the Line of Credit                 60      
Clyra Medical Technology Inc [Member]                        
Subsidiary, Parent Ownership Interest 54.00%               54.00%      
The 2015 Unit Offering [Member]                        
Proceeds from Convertible Debt                   $ 255,000    
Debt Instrument, Interest Rate, Stated Percentage                   12.00%    
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares                    
Conversion of Line of Credit to 2015 Unit Offering [Member]                        
Debt Conversion, Original Debt, 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                 $ 120,000      
Debt Conversion, Converted Instrument, Shares Issued | shares                 406,789      
Line of Credit [Member]                        
Debt Instrument, Term             270 days          
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            
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares     $ 0.75     $ 0.65            
Class of Warrant or Right, Expiration Term     5 years     5 years            
Warrants Issued Concurrently with Line of Credit [Member]                        
Class of Warrant or Right, Number of Warrants Per Each Dollar Invested | shares             1          
Warrant Issued in Exchange of Cancelled Line of Credit [Member]                        
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              
One Year Convertible Notes [Member]                        
Proceeds from Convertible Debt     $ 250,000     $ 250,000            
Debt Instrument, Convertible, Conversion Price | $ / shares     $ 0.57     $ 0.45            
Debt Instrument, Face Amount     $ 280,000     $ 280,000            
Debt Instrument, Interest Rate, Stated Percentage     3.00%     3.00%            
Debt Conversion, Original Debt, Amount   $ 280,000                    
Debt Conversion, Converted Instrument, Shares Issued | shares   640,889                    
Convertible Notes Maturing on September 17, 2019 [Member]                        
Debt Instrument, Convertible, Conversion Price | $ / shares         $ 0.55              
Long-term Debt, Gross         $ 283,571