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9. STOCK INCENTIVE PLAN (Tables)
12 Months Ended
Dec. 31, 2018
Equity [Abstract]  
Stock options outstanding
    2018     2017  
    Weighted Average Exercise     Weighted Average Exercise  
    Shares     Price     Shares     Price  
                         
Outstanding at beginning of period     -     $ -       7,000     $ 3.09  
Granted     -       -       -       -  
Exercised     -       -       (7,000 )     3.09  
Forfeited     -       -       -       -  
                                 
Outstanding at end of period     -     $ -       -     $ -  
Stock options outstanding vested and expected to vest
    2018     2017  
             
Intrinsic value of options exercised in the period   $ -     $ 33,440  
Stock options fully vested and expected to vest     -       -  
Weighted average exercise price   $ -     $ -  
Aggregate intrinsic value   $ -     $ -  
Weighted average contractual term of options     -       -  
Stock options vested and currently exercisable     -       -  
Weighted average exercise price   $ -     $ -  
Aggregate intrinsic value   $ -     $ -  
Weighted average contractual term of options     -       -