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NOTE 11 – STOCKHOLDERS’ EQUITY (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Jul. 30, 2019
Dec. 13, 2018
Aug. 06, 2018
Aug. 01, 2018
Sep. 30, 2019
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Class of Warrant or Right [Line Items]                      
Preferred Stock, Shares Authorized         10,000,000       10,000,000   10,000,000
Preferred Stock, Par or Stated Value Per Share         $ 0.001       $ 0.001   $ 0.001
Common Stock, Shares Authorized         350,000,000       350,000,000   350,000,000
Common Stock, Shares, Issued         241,277,076       241,277,076   240,462,439
Common Stock, Shares, Outstanding         241,277,076       241,277,076   240,462,439
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period         55,236 1,052,300     331,619 1,446,876  
Stock Issued During Period, Value, Stock Options Exercised         $ 8,549 $ 107,318 $ 1,084,939 $ 44,056 $ 108,656 $ 1,236,313  
Number of stock options exercised in cashless exercise (in shares)                 12,097 10,000  
Number of common stock issued during period for stock options exercised in cashless exercise (in shares)                 11,834 9,841  
Shares Issued, Price Per Share       $ 5.10              
Proceeds from issuance public offering     $ 69,908,000                
Stock Issued During Period, Value, New Issues           89,907,797          
Warrants and Rights Outstanding         $ 1,832,571       $ 1,832,571    
Weighted-average contractual remaining life                 2 years 73 days    
Weighted average exercise price of warrants (in dollars per share)                 $ 2.62    
Share-based Payment Arrangement, Noncash Expense                 $ 7,859,357 $ 6,388,635  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized         13,779,632       13,779,632    
Plan Awards Number of New Shares         11,294,999       11,294,999    
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number         1,240,000       1,240,000    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value                 $ 1.84 $ 3.27  
Share-based Payment Arrangement, Expense         $ 2,194,667 2,109,218     $ 6,568,736 $ 5,981,343  
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount         13,468,000       13,468,000    
Restricted Stock or Unit Expense         384,061       1,080,738    
Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount         $ 3,505,000       $ 3,505,000    
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                 343,716    
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition                 2 years 146 days    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number         24,849,984       24,849,984   20,872,824
Restricted Stock Units (RSUs) [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 $ 2.18 $ 4.06                  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition                 2 years 73 days    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 200,000 1,040,000                  
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         15,028,509       15,028,509    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized         89,300       89,300    
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       6,316,474    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized         2,395,333       2,395,333    
2012 Stock Incentive Plan [Member] | Restricted Stock [Member]                      
Class of Warrant or Right [Line Items]                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number         1,040,000       1,040,000    
Plan 2019 [Member]                      
Class of Warrant or Right [Line Items]                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number         3,505,001       3,505,001    
Plan 2019 [Member] | Restricted Stock [Member]                      
Class of Warrant or Right [Line Items]                      
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number         200,000       200,000    
Minimum [Member]                      
Class of Warrant or Right [Line Items]                      
Range - exercise price of options         $ 0.19       $ 0.19    
Maximum [Member]                      
Class of Warrant or Right [Line Items]                      
Range - exercise price of options         $ 8.92       $ 8.92    
Warrants Member                      
Class of Warrant or Right [Line Items]                      
Share-based Payment Arrangement, Noncash Expense         $ 56,418 $ 150,977     $ 198,306 $ 407,292  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount         $ 83,000       $ 83,000    
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition                 146 days    
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercised                 1,250,000    
[custom:NumberOfStockIssuedInCashlessExerciseOfWarrants]                 471,184 0  
Warrants Member | Minimum [Member]                      
Class of Warrant or Right [Line Items]                      
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 0.24       $ 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       8.20    
Outside Consultants Warrants [Member]                      
Class of Warrant or Right [Line Items]                      
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 5.63 $ 5.16     $ 5.63 $ 5.16  
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted                 75,000 175,000  
Share-based Goods and Nonemployee Services Transaction, Valuation Method, Expected Term                 5 years 5 years  
Share-based Goods and Nonemployee Services Transaction, Valuation Method, Expected Volatility Rate                 60.80% 62.10%  
Share-based Goods and Nonemployee Services Transaction, Valuation Method, Risk Free Interest Rate                 252.00% 2.36%  
Share-based Goods and Nonemployee Services Transaction, Valuation Method, Expected Dividend Rate                 0.00% 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 $ 2.79  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period                 12 months 12 months  
Underwriting Agreement Goldman Sachs [Member]                      
Class of Warrant or Right [Line Items]                      
Stock Issued During Period, Shares, New Issues       12,745,098              
[custom:PeriodExercisableUnderwritersOption]       30 days              
[custom:UnderwritersOptionGrantedInPeriodShares]       1,911,764              
Subscription Agreement Knight [Member]                      
Class of Warrant or Right [Line Items]                      
Stock Issued During Period, Value, New Issues     $ 20,000,000