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7. STOCKHOLDERS' EQUITY (Tables)
6 Months Ended
Jun. 30, 2017
Statement of Stockholders' Equity [Abstract]  
Summary of stock options outstanding

    June 30, 2017 (Unaudited)     December 31, 2016  
     Number of Options      Weighted Average Exercise Price      Number of Options      Weighted Average Exercise Price  
Outstanding, beginning of period     200,000     $ 0.76       100,000     $ 0.96  
Granted                 100,000       0.55  
Exercised                        
Outstanding, end of period     200,000     $ 0.76       200,000     $ 0.76  

Options outstanding and exercisable by price range

  Outstanding Options    

Average

Weighted

    Exercisable Options  
  Range     Number    

Remaining

Contractual

Life in Years

    Number    

Weighted

Average

Exercise Price

 
                             
  $ 2.10       40,000       2.51       40,000     $ 2.10  
  $ 0.05       20,000       3.52       20,000     $ 0.05  
  $ 0.27       40,000       7.51       40,000     $ 0.27  
  $ 0.55       100,000       8.60       100,000     $ 0.55  
            200,000       6.66       200,000     $ 0.76  

Summary of stock warrants outstanding

    June 30, 2017 (Unaudited)     December 31, 2016  
     Number of Warrants      Weighted Average Exercise Price      Number of Warrants      Weighted Average Exercise Price  
Outstanding, beginning of period     37,076,413     $ 0.31       35,676,413     $ 0.30  
Granted     1,014,998       0.68       1,400,000       0.42  
Expired                        
Outstanding, end of period     38,091,411     $ 0.32       37,076,413     $ 0.31  

Warrants outstanding and exercisable by price range

  Outstanding Warrants           Exercisable Warrants  
  Range     Number    

Average

Weighted

Remaining

Contractual

Life in Years

    Number    

Weighted

Average

Exercise Price

 
  $ 0.01       1,575,000       0.03       1,575,000     $ 0.01  
  $ 0.05       *975,000       0.50       *975,000     $ 0.05  
  $ 0.10       15,000       5.00       15,000     $ 0.10  
  $ 0.12       4,000,000       2.29       4,000,000     $ 0.12  
  $ 0.15       3,750,000       0.30       3,750,000     $ 0.15  
  $ 0.26       100,000       0.99       100,000     $ 0.26  
  $ 0.27       250,000       4.50       250,000     $ 0.27  
  $ 0.29       10,125,613       3.31       10,125,613     $ 0.29  
  $ 0.30       11,925,800       1.25       11,925,800     $ 0.30  
  $ 0.32       250,000       4.25       250,000     $ 0.32  
  $ 0.33       75,000       1.25       75,000     $ 0.33  
  $ 0.42       250,000       4.00       250,000     $ 0.42  
  $ 0.50       625,000       3.43       525,000     $ 0.50  
  $ 0.55       100,000       3.58       100,000     $ 0.55  
  $ 0.62       75,000       1.05       75,000     $ 0.62  
  $ 0.69       999,998       2.71       999,998     $ 0.69  
  $ 1.00       3,000,000       2.84       3,000,000     $ 1.00  
            38,091,411       2.01       37,991,411     $ 0.32  

 * See Note 13

 

Unvested warrants outstanding

   Unvested Warrants        
 

Weighted

Average

Exercise Price

    Number    

Average

Weighted

Remaining

Contractual

Life in Years

 
  $ 0.50       100,000       5.00