| Apr 9, 2015 | Award | 150,000 | 0.00 USD | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | | SEC | |
| Sep 19, 2012 | Sell | -5,000 | 3.07 USD | $15.4K | Unusual size | SEC | |
| Sep 19, 2012 | Sell | -5,000 | 3.06 USD | $15.3K | Unusual size | SEC | |
| Jun 20, 2012 | Sell | -1,500 | 2.35 USD | $3.5K | | SEC | |
| Jun 8, 2012 | Sell | -3,500 | 2.32 USD | $8.1K | | SEC | |
| Jun 4, 2012 | Sell | -800 | 2.31 USD | $1.8K | | SEC | |
| Jun 1, 2012 | Sell | -2,500 | 2.44 USD | $6.1K | | SEC | |
| Jun 1, 2012 | Sell | -1,700 | 2.32 USD | $3.9K | | SEC | |
| May 29, 2012 | Sell | -2,500 | 2.39 USD | $6K | | SEC | |
| May 4, 2012 | Sell | -3,100 | 2.46 USD | $7.6K | | SEC | |
| May 4, 2012 | Sell | -1,200 | 2.43 USD | $2.9K | | SEC | |
| Feb 27, 2012 | Sell | -7,500 | 2.71 USD | $20.3K | | SEC | |
| Feb 6, 2012 | Sell | -600 | 2.96 USD | $1.8K | | SEC | |
| Jan 12, 2012 | Sell | -1,000 | 2.93 USD | $2.9K | | SEC | |
| Jan 3, 2012 | Sell | -1,000 | 2.93 USD | $2.9K | | SEC | |
| Dec 12, 2011 | Sell | -1,000 | 2.99 USD | $3K | | SEC | |
| Dec 8, 2011 | Sell | -1,000 | 2.86 USD | $2.9K | | SEC | |
| Dec 8, 2011 | Sell | -1,000 | 2.87 USD | $2.9K | | SEC | |
| Dec 6, 2011 | Sell | -1,000 | 2.77 USD | $2.8K | | SEC | |
| Dec 1, 2011 | Sell | -3,000 | 2.65 USD | $8K | | SEC | |
| Nov 25, 2011 | Sell | -2,300 | 2.50 USD | $5.8K | | SEC | |
| Nov 25, 2011 | Sell | -700 | 2.51 USD | $1.8K | | SEC | |
| Sep 22, 2011 | Sell | -3,000 | 3.78 USD | $11.3K | | SEC | |
| Sep 13, 2011 | Sell | -5,000 | 3.53 USD | $17.7K | | SEC | |
| Sep 7, 2011 | Sell | -10,000 | 2.92 USD | $29.2K | | SEC | |