Quarterly report pursuant to Section 13 or 15(d)

Note 1 - Organization and Business (Details Textual)

v3.8.0.1
Note 1 - Organization and Business (Details Textual)
1 Months Ended 9 Months Ended
Jul. 13, 2017
USD ($)
shares
Jul. 13, 2017
EUR (€)
shares
Jul. 07, 2017
$ / shares
shares
Jul. 31, 2017
$ / shares
shares
Jun. 30, 2017
USD ($)
Jan. 31, 2017
USD ($)
$ / shares
shares
Dec. 31, 2016
USD ($)
$ / shares
shares
Sep. 30, 2017
USD ($)
Sep. 30, 2016
USD ($)
May 31, 2017
Jun. 30, 2014
USD ($)
Number of Countries in which Entity Operates               47      
Proceeds from Sale of Variable Interest Entity Shares with Agreement to Repurchase               $ 250,000    
Stock Issued During Period, Value, Purchase of Assets               2,486,000      
Gian Domenico Trombetta [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | shares       400,000              
Gian Domenico Trombetta [Member] | Employee Stock Options Issued at $2.55 Per Share [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | shares     250,000                
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares       $ 2.55              
Gian Domenico Trombetta [Member] | Employee Stock Options Issued at the Higher of $2.55 Per Share or Market Price [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | shares       150,000              
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares     $ 2.55                
Patents [Member]                      
Finite-lived Intangible Assets Acquired               $ 2,639,000      
Finite-Lived Intangible Asset, Useful Life               5 years      
APAD Octrooi B.V. and APAD B.V. [Member]                      
Stock Issued During Period, Shares, Purchase of Assets | shares 1,646,358 1,646,358                  
Stock Issued During Period, Value, Purchase of Assets $ 2,486,000                    
Asset Purchase Agreement, Post-closing Adjustments, Percentage of Initial Shares, Maximum 25.00% 25.00%                  
Asset Purchase Agreement, Post-closing Adjustments, Amount of Initial Shares, Maximum | €   € 250,000                  
Asset Purchase Agreement, Post-closing Adjustments, Liabilities               $ 167,000      
Asset Purchase Agreement, Payments of Legal Fees               153,000      
Milestone China [Member]                      
Equity Method Investment, Ownership Percentage                     40.00%
Equity Method Investment, Deferred Gain on Sale         $ 1,400,000            
Equity Method Investments         $ 0   $ 0 $ 0     $ 1,000,000
Milestone China [Member] | Sale of Variable Interest Entity's Shares [Member]                      
Equity Method Investment, Ownership Percentage         40.00%         40.00%  
Option to Repurchase, Period         10 years            
Price for Shares of Variable Interest Entity Interest Sold         $ 1,400,000            
Proceeds from Sale of Variable Interest Entity Shares with Agreement to Repurchase         125,000            
Financing Receivable, Net         1,275,000            
Note Receivable, Quarterly Installment Amount         125,000            
Option to Repurchase Variable Interest Entity Shares, Purchase Price         $ 1,400,000            
Option to Repurchase Variable Entity Shares at Specified Purchase Price, Period         2 years            
Equity Method Investment, Deferred Gain on Sale         $ 1,400,000            
Underwritten Public Offering [Member]                      
Stock Issued During Period, Shares, New Issues | shares             2,000,000        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares             1,592,775        
Shares Issued, Price Per Share | $ / shares             $ 1.50        
Over-Allotment Option [Member]                      
Stock Issued During Period, Shares, New Issues | shares           123,700          
Shares Issued, Price Per Share | $ / shares           $ 1.499          
Proceeds from Issuance of Common Stock           $ 186,000 $ 3,000,000