| Insider |  Price |  Amount |  Total Value |  Remaining Holdings |  Date |  Form 4 |  
   |    Officer, Director   |  $4.01 |  4,600 |  $18,427.14 |  3,309,381 |  2016-06-07 |  Filing |  
  |    Officer, Director   |  $3.98 |  12,300 |  $48,954.00 |  2,491,741 |  2016-06-07 |  Filing |  
  |    Officer, Director   |  $4.09 |  63,959 |  $261,880.13 |  3,309,381 |  2016-06-06 |  Filing |  
  |    Officer, Director   |  $4.09 |  110,322 |  $451,007.37 |  2,491,741 |  2016-06-06 |  Filing |  
  |    Director   |  $3.16 |  5,100 |  $16,090.50 |  45,350 |  2015-12-01 |  Filing |  
  |    Director   |  $3.16 |  5,100 |  $16,090.50 |  45,350 |  2015-12-01 |  Filing |  
  |    Officer, Director   |  $4.07 |  90,666 |  $368,919.95 |  5,378,724 |  2015-06-15 |  Filing |  
  |    Officer, Director   |  $4.07 |  82,077 |  $333,971.31 |  5,349,340 |  2015-06-15 |  Filing |  
  |    Officer, Director   |  $4.12 |  38,248 |  $157,677.38 |  541,606 |  2015-06-15 |  Filing |  
  |    Officer, Director   |  $4.12 |  38,248 |  $157,677.38 |  3,211,917 |  2015-06-15 |  Filing |  
  |    Officer, Director   |  $4.07 |  90,666 |  $368,919.95 |  2,635,003 |  2015-06-15 |  Filing |  
  |    Officer, Director   |  $4.07 |  82,077 |  $333,971.31 |  2,605,619 |  2015-06-15 |  Filing |  
  |    Director   |  $4.22 |  5,564 |  $23,469.51 |  64,499 |  2015-06-12 |  Filing |  
  |    Officer, Director   |  $4.27 |  70,841 |  $302,264.38 |  5,281,417 |  2015-06-12 |  Filing |  
  |    Officer, Director   |  $4.27 |  58,512 |  $249,682.41 |  509,557 |  2015-06-12 |  Filing |  
  |    Officer, Director   |  $4.30 |  93,989 |  $404,585.05 |  5,281,417 |  2015-06-11 |  Filing |  
  |    Officer, Director   |  $4.30 |  21,191 |  $91,195.47 |  509,557 |  2015-06-11 |  Filing |  
  |    Officer, Director   |  $4.30 |  84,700 |  $364,506.45 |  509,557 |  2015-06-11 |  Filing |  
  |    Officer, Director   |  $4.67 |  15,120 |  $70,678.44 |  5,281,417 |  2015-06-10 |  Filing |  
  |    Officer, Director   |  $4.68 |  15,300 |  $71,529.03 |  509,557 |  2015-06-10 |  Filing |