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 12 Months Ended
Apr. 30, 2017
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2015
Jun. 30, 2014
Income (Loss) from Equity Method Investments   $ (44,401) $ (269,726)        
Sales Revenue, Goods, Net   3,688,988 3,569,374        
Deferred Revenue, Current   356,400   $ 1,001,800      
Deferred Costs, Current   181,116   620,041      
Milestone China [Member] | Accounts Receivable from Related Parties [Member]              
Equity Method Investment, Deferred Intercompany Profit (Loss)   $ 675,391   630,990      
Advanced Ocular Sciences SA [Member]              
Equity Method Investment, Ownership Percentage   25.00%          
Advances to Affiliate           $ 78,798  
Write-off of Advances to Affiliate       78,798      
Equity Method Investments         $ 0    
Milestone China [Member]              
Equity Method Investment, Ownership Percentage             40.00%
Equity Method Investments   $ 0   0     $ 1,000,000
Income (Loss) from Equity Method Investments   0 (164,837)        
Cost-method Investments, Realized Losses   1,528,376   1,124,350      
Sales Revenue, Goods, Net   356,400 1,000,000,000,000        
Deferred Revenue, Revenue Recognized   1,001,800          
Milestone China [Member] | Loss on Earnings from China Joint Venture [Member]              
Equity Method Investment, Unrealized Intercompany Profit (Loss) Not Eliminated, Amount   44,401 104,889        
Milestone China [Member] | Accounts Receivable from Related Parties [Member]              
Equity Method Investment, Deferred Intercompany Profit (Loss)   675,391   630,990      
Milestone China [Member] | Proceeds from Outstanding Instrument Sales [Member] | Subsequent Event [Member]              
Related Party Transaction, Amounts of Transaction $ 1,001,800            
Milestone China [Member] | Instruments and Handpieces [Member]              
Sales Revenue, Goods, Net   356,400 $ 1,000,000,000,000        
Deferred Revenue, Current   356,400   181,116      
Deferred Costs, Current   1,001,800   620,041      
Milestone China [Member] | STA Instruments and Handpieces [Member]              
Accounts Receivable, Related Parties   $ 1,358,200   $ 2,714,600