| Insider |  Price |  Amount |  Total Value |  Remaining Holdings |  Date |  Form 4 |  
   |    Director   |  $5.12 |  42,762 |  $219,099.66 |  151,629 |  2021-02-08 |  Filing |  
  |    Director   |  $5.00 |  62,238 |  $311,270.91 |  194,391 |  2021-02-05 |  Filing |  
  |    Large Shareholder, Officer, Director   |  $0.75 |  66,667 |  $50,000.25 |  2,953,307 |  2017-11-11 |  Filing |  
  |    Large Shareholder   |  $0.75 |  115,000 |  $86,250.00 |  3,077,474 |  2018-02-16 |  Filing |  
  |    Large Shareholder, Officer, Director   |  $0.75 |  115,000 |  $86,250.00 |  3,019,974 |  2018-02-16 |  Filing |  
  |    Large Shareholder, Officer, Director   |  $0.75 |  200,000 |  $150,000.00 |  3,134,974 |  2017-06-06 |  Filing |  
  |    Large Shareholder   |  $0.75 |  200,000 |  $150,000.00 |  3,192,474 |  2017-06-06 |  Filing |  
  |    Large Shareholder, Director   |  $1.56 |  3,000 |  $4,680.00 |  346,393 |  2017-02-10 |  Filing |  
  |    Large Shareholder, Director   |  $1.50 |  3,500 |  $5,250.00 |  349,393 |  2017-02-09 |  Filing |  
  |    Large Shareholder, Director   |  $1.51 |  9,000 |  $13,590.00 |  352,893 |  2017-02-03 |  Filing |  
  |    Large Shareholder, Director   |  $1.54 |  5,000 |  $7,700.00 |  361,893 |  2017-01-31 |  Filing |  
  |    Large Shareholder, Director   |  $1.60 |  8,000 |  $12,800.00 |  366,893 |  2017-01-30 |  Filing |  
  |    Large Shareholder, Director   |  $1.31 |  8,000 |  $10,480.00 |  374,893 |  2017-01-17 |  Filing |  
  |    Large Shareholder, Director   |  $1.30 |  35,000 |  $45,500.00 |  382,893 |  2016-12-28 |  Filing |  
  |    Large Shareholder, Director   |  $1.35 |  25,067 |  $33,840.45 |  417,893 |  2016-12-16 |  Filing |  
  |    Large Shareholder, Director   |  $1.37 |  465 |  $637.05 |  442,960 |  2016-12-15 |  Filing |  
  |    Large Shareholder, Director   |  $1.30 |  9,100 |  $11,830.00 |  443,425 |  2016-12-13 |  Filing |  
  |    Large Shareholder, Director   |  $1.35 |  15,300 |  $20,655.00 |  452,525 |  2016-12-12 |  Filing |  
  |    Large Shareholder, Director   |  $1.35 |  11,500 |  $15,525.00 |  461,825 |  2016-12-09 |  Filing |  
  |    Large Shareholder, Director   |  $1.33 |  17,100 |  $22,743.00 |  473,325 |  2016-12-06 |  Filing |