Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Summary of Significant Accounting Policies (Details Textual)

v3.8.0.1
Note 3 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Number of Operating Segments 2    
Allowance for Doubtful Accounts Receivable, Ending Balance $ 10,000   $ 10,000
Inventory Valuation Reserves, Ending Balance 220,000   220,000
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance 13    
Impairment of Long-Lived Assets Held-for-use 0   $ 0
Share-based Goods and Nonemployee Services Transaction, Capitalized Cost $ 4,000    
Income from Non-employee Options   $ 17,100  
Options and Warrants [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 3,510,335   3,710,335
Minimum [Member]      
Property, Plant and Equipment, Useful Life 2 years    
Maximum [Member]      
Property, Plant and Equipment, Useful Life 7 years    
Milestone China [Member]      
Variable Interest Entity Majority Shareholder Ownership Percentage 53.00%