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11. STOCK-BASED COMPENSATION (Tables)
6 Months Ended
Jun. 30, 2014
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, 2014     2,470,971     $3.36       $0.95 - $12.60  

Granted and vested during the period

ended June 30, 2014

    37,500     $2.18       $1.83-2.55  

Exercised during the period ended

June 30, 2014

    (223,000 )   $0.95       $0.95  

Expired during the

period ended June 30, 2014

    (50,000 )   $9.10       $3.22-12.00  
Balance, June 30, 2014     2,235,471     $3.44       $0.95 - $12.60  
Schedule Stock and Warrants Options Outstanding
    Stock and Warrants Options Exercisable and Outstanding
            Weighted Average  
            Remaining  
    Outstanding at June 30, 2014  

Range of

Exercise Prices

 

Contractual Life

 (Years)

 

 

Exercisable and outstanding

  2,235,471   $0.95 - $12.60   1.69