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STOCK-BASED COMPENSATION (Details Narrative) - USD ($)
1 Months Ended 12 Months Ended
Jan. 18, 2007
Apr. 30, 2015
Dec. 31, 2019
Dec. 31, 2018
Feb. 28, 2015
May 31, 2014
Dec. 31, 2013
Number of shares available     5,000,000        
Average share price (in dollars per share)     $ 3.61 $ 5.31      
Unrecognized pre-tax non-cash compensation expense to non-vested option     $ 8,531,047        
Period unrecognized pre-tax non-cash compensation expense to non-vested option     3 years        
Number of shares vested     2,350,000        
Stock Incentive Plan [Member]              
Plan expiration term 10 years            
Number of shares authorized 2,500,000 5,100,000     4,600,000 4,250,000 3,500,000
Issued options shares   6,530,000          
Number of shares available   400,000          
Stock Incentive Plan 2015 [Member]              
Number of shares authorized   5,000,000          
Description of plan   provision for an annual increase of 15% of the shares pertaining to the 2015 plan that are outstanding as of the last day of the prior year.          
Purchase of common shares       1,830,000      
Stock Option Plan 2015 [Member]              
Purchase of common shares     1,200,000        
Average share price (in dollars per share)     $ 3.58        
General And Administrative Expense [Member]              
Non-cash compensation expense     $ 4,800,000 $ 4,300,000      
Maximum [Member]              
Vesting period     3 years        
Minimum [Member]              
Vesting period     2 years