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11. STOCK-BASED COMPENSATION (Tables)
6 Months Ended
Jun. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of stock option transactions
    Number of Option
and Warrants
Outstanding and exercisable
  Weighted- Average Exercise price of Option
and Warrants
  Range of
Exercise Price per Common Share
Balance, January 1, 2017       185,000     $ 2.19       $1.54 - $4.80  

Granted and vested during the period

Ended June 30, 2017

      25,000     $ 1.94       $1.90-1.98  

Expired during the period ended 

June 30, 2017 

      (37,500 )   $ 2.18       $1.83-2.55  
Balance, June 30, 2017       172,500     $ 2.16       $1.54 - $4.80  
Schedule Stock and Warrants Options Outstanding
    Stock and Warrants Options Exercisable and Outstanding
            Weighted Average  
            Remaining  
    Outstanding at June 30, 2017  

Range of

Exercise Prices 

 

Contractual Life

 (Years)

 
Exercisable and outstanding   172,500   $1.54 - $4.80   1.89