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12. STOCK-BASED COMPENSATION (Tables)
6 Months Ended
Jun. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of stock option transactions
    Number of Option
Outstanding and exercisable
  Weighted- Average Exercise price of Option   Range of
Exercise Price per Common Share
  Balance, January 1, 2018       808,500     $ 1.61       $1.44 - $4.80  
  Granted and vested during the period Ended June 30, 2018                    
  Expired during the period ended June 30, 2018       (25,000 )   $ 2.31       $2.07-2.55  
  Balance, June 30, 2018       783,500     $ 1.58       $1.44 - $4.80  
Schedule Stock and Warrants Options Outstanding
    Stock Options Exercisable and Outstanding
            Weighted Average
            Remaining
    Outstanding at June 30, 2018  

Range of

Exercise Prices 

 

Contractual Life

 (Years)

Exercisable and outstanding    783,500   $1.44 - $4.80   2.70