Quarterly report pursuant to Section 13 or 15(d)

Note 13 - Subsequent Events (Details Textual)

v3.7.0.1
Note 13 - Subsequent Events (Details Textual) - Subsequent Event [Member] - USD ($)
Jul. 13, 2017
Jul. 10, 2017
Jul. 07, 2017
APAD Octrooi B.V. and APAD B.V. [Member]      
Stock Issued During Period, Shares, Purchase of Assets 1,646,358    
Stock Issued During Period, Value, Purchase of Assets $ 2,486,000    
President and Chief Executive Officer [Member]      
Employment Agreement, Base Compensation   $ 300,000  
Employment Agreement, Maximum Bonuses   $ 400,000  
Employment Agreement, Bonus Options, Term   5 years  
Employment Agreement, Bonus Options, Exercise Price, Percentage of Fair Market Value   110.00%  
Employment Agreement Term   3 years  
President and Chief Executive Officer [Member] | Non-qualified Stock Options [Member] | Stock Option Plan 2011 [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross   921,942  
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price   $ 2  
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period   5 years  
Previous President and Chief Executive Officer [Member]      
Employment Agreement, Base Compensation   $ 300,000  
Employment Agreement, Base Compensation, Cash   100,000  
Employment Agreement, Base Compensation, Common Stock Value   $ 200,000  
Consulting Agreement, Term   10 years  
Consulting Agreement, Annual Payment   $ 100,000  
Employment Agreement Term   10 years  
Gian Domenico Trombetta [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     400,000
Gian Domenico Trombetta [Member] | Employee Stock Options Issued at $2.54 Per Share [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     250,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price     $ 2.55
Gian Domenico Trombetta [Member] | Employee Stock Options Issued at the Higher of $2.54 Per Share or Market Price [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     150,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price     $ 2.55