Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Investment in Unconsolidated Subsidiaries (Details Textual)

v3.7.0.1
Note 5 - Investment in Unconsolidated Subsidiaries (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended 18 Months Ended
Jun. 30, 2017
Apr. 30, 2017
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Jun. 30, 2017
May 31, 2017
Dec. 31, 2015
Jun. 30, 2014
Sales Revenue, Goods, Net     $ 2,523,750 $ 2,371,710 $ 6,212,738 $ 5,836,196          
Deferred Revenue, Current $ 356,400   356,400   356,400   $ 1,001,800 $ 356,400      
Income (Loss) from Equity Method Investments     15,460 (57,882) (28,941) (222,719)          
Proceeds from Sale of Variable Interest Entity Shares with Agreement to Repurchase         125,000          
Milestone China [Member] | Accounts Receivable from Related Parties [Member]                      
Equity Method Investment, Deferred Intercompany Profit (Loss) $ 659,931   $ 659,931   659,931   630,990 $ 659,931      
Equity Method Investment, Unrealized Intercompany Profit (Loss) Not Eliminated, Amount         $ (28,941) (222,719)          
Advanced Ocular Sciences SA [Member]                      
Advances to Affiliate                   $ 78,798  
Write-off of Advances to Affiliate             78,798        
Equity Method Investment, Ownership Percentage 25.00%   25.00%   25.00%     25.00%      
Milestone China [Member]                      
Equity Method Investment, Deferred Gain on Sale $ 1,400,000                    
Sales Revenue, Goods, Net     $ 356,400 356,400 $ 1,714,600 1,356,000          
Deferred Revenue, Revenue Recognized   $ 1,001,800     1,001,800            
Income (Loss) from Equity Method Investments     15,460 (57,882) 0 (164,837)          
Equity Method Investments 0   0   0   0 $ 0     $ 1,000,000
Equity Method Investment, Ownership Percentage                     40.00%
Cost-method Investments, Realized Losses         1,654,477   1,124,350        
Milestone China [Member] | Loss on Earnings from China Joint Venture [Member]                      
Equity Method Investment, Unrealized Intercompany Profit (Loss) Not Eliminated, Amount     15,460 (57,882)              
Milestone China [Member] | Instruments and Handpieces [Member]                      
Sales Revenue, Goods, Net     356,400 $ 356,400 1,714,600 $ 1,356,000          
Deferred Revenue, Current 356,400   356,400   356,400   181,116 356,400      
Milestone China [Member] | STA Instruments and Handpieces [Member]                      
Deferred Revenue, Current 1,001,800   1,001,800   1,001,800   620,041 1,001,800      
Accounts Receivable, Related Parties 356,400   $ 356,400   $ 356,400   $ 2,714,600 $ 356,400      
Milestone China [Member] | Sale of Variable Interest Entity's Shares [Member]                      
Equity Method Investment, Deferred Gain on Sale $ 1,400,000                    
Variable Interest Entity Ownership Percentage Sold 40.00%                    
Equity Method Investment, Ownership Percentage 40.00%   40.00%   40.00%     40.00% 40.00%    
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                    
Option to Repurchase, Period 10 years             10 years      
Price for Shares of Variable Interest Entity Interest Sold $ 1,400,000   $ 1,400,000   $ 1,400,000     $ 1,400,000      
Proceeds from Sale of Variable Interest Entity Shares with Agreement to Repurchase 125,000                    
Financing Receivable, Net 1,275,000   $ 1,275,000   $ 1,275,000     $ 1,275,000      
Note Receivable, Quarterly Installment Amount $ 125,000