Quarterly report pursuant to Section 13 or 15(d)

Note 1 - Description of the Business and Summary of Significant Accounting Policies (Details Textual)

v3.19.1
Note 1 - Description of the Business and Summary of Significant Accounting Policies (Details Textual)
3 Months Ended
Feb. 19, 2019
USD ($)
$ / shares
shares
Mar. 31, 2019
USD ($)
shares
Mar. 31, 2018
USD ($)
shares
Dec. 31, 2018
USD ($)
shares
Stock Issued During Period, Shares, New Issues | shares 2,172,591      
Shares Issued, Price Per Share | $ / shares $ 5      
Proceeds from Issuance of Common Stock $ 10,862,955      
Proceeds from Issuance of Common Stock, Net 9,700,000      
Debt Conversion, Original Debt, Amount $ 11,784,987      
Debt Conversion, Converted Instrument, Shares Issued | shares 6,825,391      
Conversion of Accrued Dividends into Common Stock, Amount Converted $ 4,773,480      
Conversion of Accrued Dividends into Common Stock, Shares Issued | shares 954,696      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period | shares 127,500      
Common Stock, Shares, Outstanding, Ending Balance | shares 14,613,000 14,613,000   1,998,056
Debt Instrument, Convertible, Threshold Percentage of Stock Ownership After Conversion 4.99%      
Convertible Debt, Total $ 47,781      
Debt Instrument, Convertible, Number of Equity Instruments 273,034      
Net Income (Loss) Attributable to Parent, Total   $ (3,208,345) $ (1,351,665)  
Net Cash Provided by (Used in) Operating Activities, Total   (4,077,337) (878,997)  
Retained Earnings (Accumulated Deficit), Ending Balance   (45,499,839)   $ (42,131,275)
Working Capital   3,329,660    
Cash, Ending Balance   $ 5,060,690    
Number of Operating Segments   1    
Amortization of Intangible Assets, Total   $ 0 376  
Deferred Direct Issuance Costs, Proposed Offering   276,560    
Deferred Direct Issuance Costs, Proposed Offering, Previous Paid Through Accounts Payable   250,000    
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs   186,029    
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense, Total   $ 0 $ 0  
Incremental Common Shares Attributable to Share-based Payment Arrangements, Total | shares   2,636,750 15,000  
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants | shares   1,228,431    
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Preferred Stock | shares     2,534,766  
Incremental Common Shares Attributable to Dilutive Effect of Nonvested Shares with Forfeitable Dividends | shares     305,000  
Trademarks [Member]        
Finite-Lived Intangible Assets, Gross, Total   $ 86,080   $ 84,942
Minimum [Member]        
Property, Plant and Equipment, Useful Life   3 years    
Maximum [Member]        
Property, Plant and Equipment, Useful Life   5 years    
Conversion of Preferred Stock into Common Stock [Member]        
Conversion of Stock, Shares Issued | shares 2,534,766