Annual report pursuant to Section 13 and 15(d)

Note 8 - Stockholders' Deficit (Details Textual)

v3.19.1
Note 8 - Stockholders' Deficit (Details Textual) - USD ($)
12 Months Ended
Oct. 01, 2017
Dec. 31, 2018
Dec. 31, 2017
Jun. 30, 2018
Jun. 08, 2018
Apr. 20, 2018
Nov. 30, 2012
Preferred Stock, Shares Authorized   2,534,766          
Preferred Stock, Par or Stated Value Per Share   $ 0.001          
Dividends Payable   $ 1,280,000 $ 1,280,000        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 15,000 2,220,000 15,000        
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price $ 0.13 $ 1.75 $ 0.13        
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period 10 years            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Aggregated Grant Date Fair Value   $ 2,694,567          
Share Price   $ 1.67          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares 3,750            
Class of Warrant or Right, Number of Securities Called by Warrants or Rights   776,350          
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 1.75        
Warrants and Rights Outstanding   $ 878,622          
Amortization of Debt Discount (Premium)   111,537        
Extinguishment of Debt, Gain (Loss), Net of Tax, Total   132,708        
Convertible Debt [Member]              
Debt Instrument, Unamortized Discount, Total   193,024          
Fifth Note [Member] | Convertible Debt [Member]              
Debt Instrument, Unamortized Discount, Total   400,485          
Amortization of Debt Discount (Premium)   $ 66,269          
Measurement Input, Expected Term [Member]              
Warrants and Rights Outstanding, Measurement Input   5          
Measurement Input, Expected Dividend Payment [Member]              
Warrants and Rights Outstanding, Measurement Input   0          
Measurement Input, Share Price [Member]              
Warrants and Rights Outstanding, Measurement Input   1.67          
Warrant Issued Under Fourth Note [Member]              
Class of Warrant or Right, Number of Securities Called by Warrants or Rights   91,350     12,000 79,350  
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 1.75     $ 1.75 $ 1.75  
Warrants and Rights Outstanding   $ 103,006          
Debt Instrument, Unamortized Discount, Total   $ 74,532          
Fifth Note [Member]              
Class of Warrant or Right, Number of Securities Called by Warrants or Rights   685,000          
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 1.75          
Warrants and Rights Outstanding, Term   5 years          
Minimum [Member] | Measurement Input, Discount Rate [Member]              
Warrants and Rights Outstanding, Measurement Input   0.028          
Minimum [Member] | Measurement Input, Price Volatility [Member]              
Warrants and Rights Outstanding, Measurement Input   0.84          
Maximum [Member] | Measurement Input, Discount Rate [Member]              
Warrants and Rights Outstanding, Measurement Input   0.0305          
Maximum [Member] | Measurement Input, Price Volatility [Member]              
Warrants and Rights Outstanding, Measurement Input   0.86          
Restricted Stock [Member]              
Allocated Share-based Compensation Expense, Total   $ 533,550 $ 570,536        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period   177,500 177,500        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance   127,500          
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total   $ 264,451          
Employee Stock Option [Member]              
Allocated Share-based Compensation Expense, Total   404,635 $ 15,570        
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total   $ 2,321,072          
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period   10 years          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period   4 years          
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Discount Rate 1.92% 2.77%          
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term 5 years 273 days 6 years 91 days          
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate 79.00%            
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Payments $ 0 $ 0          
Share Price $ 3.21            
Stock Granted, Value, Share-based Compensation, Net of Forfeitures, Total $ 46,711            
Employee Stock Option [Member] | Minimum [Member]              
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate   84.50%          
Employee Stock Option [Member] | Maximum [Member]              
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate   84.70%          
2012 Long Term Incentive Plan [Member]              
Common Stock, Capital Shares Reserved for Future Issuance             789,745
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant   14,745          
2018 Stock Plan [Member]              
Common Stock, Capital Shares Reserved for Future Issuance       3,000,000      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant   780,000          
Series A Preferred Stock [Member]              
Preferred Stock, Shares Authorized   416,666 416,666        
Preferred Stock, Par or Stated Value Per Share   $ 0.001 $ 0.001        
Preferred Stock, Shares Issued, Total   416,666 416,666        
Preferred Stock, Dividend Rate, Percentage   8.00%          
Preferred Stock, Dividend Rate, Per-Dollar-Amount   $ 4.80          
Preferred Stock, Dividend Payable, Share Price   $ 24          
Preferred Stock, Dividend Payable, Gross Proceeds from Common Shares   $ 50,000,000          
Preferred Stock, Dividend Payable, Percentage of Issued and Outstanding Shares   50.10%          
Convertible Preferred Stock, Conversion Price   $ 4.80          
Preferred Stock, Shares Outstanding, Ending Balance   416,666 416,666        
Series B Preferred Stock [Member]              
Preferred Stock, Shares Authorized   2,118,100 2,118,100        
Preferred Stock, Par or Stated Value Per Share   $ 0.001 $ 0.001        
Preferred Stock, Shares Issued, Total   2,118,100 2,118,100        
Preferred Stock, Dividend Rate, Per-Dollar-Amount   $ 6.61          
Convertible Preferred Stock, Conversion Price   $ 6.61          
Dividends Payable   $ 4,613,260 $ 3,333,260        
Preferred Stock, Shares Outstanding, Ending Balance   2,118,100 2,118,100