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NOTE 11 – STOCKHOLDERS’ EQUITY (Details Narrative) - USD ($)
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Class of Warrant or Right [Line Items]      
Preferred Stock, Shares Authorized 10,000,000   10,000,000
Preferred Stock, Par or Stated Value Per Share $ 0.001   $ 0.001
Preferred Stock, Shares Outstanding 0   0
Preferred Stock, Shares Issued 0   0
Common Stock, Shares Authorized 350,000,000   350,000,000
Common Stock, Shares, Issued 271,677,742   271,177,076
Common Stock, Shares, Outstanding 271,677,742   271,177,076
Stock Issued During Period, Value, Stock Options Exercised $ 72,109    
Number of stock options exercised in cashless exercise (in shares)   12,097  
Number of common stock issued during period for stock options exercised in cashless exercise (in shares)   11,834  
Warrants and Rights Outstanding $ 1,832,571    
Weighted-average contractual remaining life 1 year 8 months 12 days    
Share-based Payment Arrangement, Noncash Expense $ 2,366,453 $ 2,586,948  
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount 9,800,000    
Restricted Stock or Unit Expense 503,377 346,414  
Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount $ 9,830,000    
2009 Long Term Incentive Compensation Plan [Member]      
Class of Warrant or Right [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 14,546,246    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 220,897    
2012 Stock Incentive Plan [Member]      
Class of Warrant or Right [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 6,316,474    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 2,395,333    
Plan 2019 [Member]      
Class of Warrant or Right [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 4,292,501    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 4,970,994    
New Shares [Member]      
Class of Warrant or Right [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 2,354,764    
Minimum [Member]      
Class of Warrant or Right [Line Items]      
Range - exercise price of options $ 0.19    
Maximum [Member]      
Class of Warrant or Right [Line Items]      
Range - exercise price of options $ 8.92    
Warrants Member      
Class of Warrant or Right [Line Items]      
Share-based Payment Arrangement, Noncash Expense $ 26,446 $ 85,716  
Warrants Member | Minimum [Member]      
Class of Warrant or Right [Line Items]      
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 0.24    
Warrants Member | Maximum [Member]      
Class of Warrant or Right [Line Items]      
Class of Warrant or Right, Exercise Price of Warrants or Rights 8.20    
Warrant [Member]      
Class of Warrant or Right [Line Items]      
Weighted average exercise price of warrants (in dollars per share) $ 2.62    
Warrants exercised   1,250,000  
Outside Consultants Warrants [Member]      
Class of Warrant or Right [Line Items]      
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 5.63  
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted   75,000  
Share-based Goods and Nonemployee Services Transaction, Valuation Method, Expected Volatility Rate   60.80%  
Share-based Goods and Nonemployee Services Transaction, Valuation Method, Risk Free Interest Rate   2.52%  
Share-based Goods and Nonemployee Services Transaction, Valuation Method, Expected Dividend Rate   0.00%  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value   $ 3.00  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period   12 months  
Warrants - Cashless Exercise [Member]      
Class of Warrant or Right [Line Items]      
Number of stock issued in cashless exercise of warrants   471,184  
Share-based Payment Arrangement, Option [Member]      
Class of Warrant or Right [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period 350,666 276,383  
Stock Issued During Period, Value, Stock Options Exercised $ 72,109 $ 100,107  
Share-based Payment Arrangement, Noncash Expense $ 1,836,630 $ 2,143,239  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 25,155,221   25,030,234
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition 2 years 3 months 18 days    
Restricted Stock [Member]      
Class of Warrant or Right [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 1.50    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 4,474,245   1,240,000
Restricted Stock [Member] | 2012 Stock Incentive Plan [Member]      
Class of Warrant or Right [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 890,000    
Restricted Stock [Member] | Plan 2019 [Member]      
Class of Warrant or Right [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number 3,584,245    
Performance Shares [Member]      
Class of Warrant or Right [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 1.07    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 2,384,245    
Performance Shares [Member] | Plan 2019 [Member]      
Class of Warrant or Right [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number 2,384,245    
Restricted Stock Units (RSUs) [Member]      
Class of Warrant or Right [Line Items]      
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition 2 years 7 months 6 days