| Date | Name | Title | Type | Security | Shares | Price | Value | Ownership | Reported |
| 01/14/2014 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 81k | $0.50 | $40.5k | See Footnote | 01/14/2014 |
| 01/14/2014 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 1000 | $0.48 | $480 | See Footnote | 01/14/2014 |
| 01/02/2014 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 21k | $0.43 | $9k | See Footnote | 12/27/2013 |
| 12/31/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 60.2k | $0.40 | $24.1k | See Footnote | 12/27/2013 |
| 12/31/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 4.3k | $0.43 | $1.9k | See Footnote | 12/27/2013 |
| 12/31/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 5k | $0.44 | $2.2k | See Footnote | 12/27/2013 |
| 12/30/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 21.5k | $0.42 | $9k | See Footnote | 12/27/2013 |
| 12/27/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 3.8k | $0.39 | $1.5k | See Footnote | 12/27/2013 |
| 12/27/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 10.6k | $0.40 | $4.2k | See Footnote | 12/27/2013 |
| 12/23/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 25.5k | $0.35 | $8.9k | See Footnote | 12/20/2013 |
| 12/23/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 3k | $0.36 | $1.1k | See Footnote | 12/20/2013 |
| 12/20/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 48.9k | $0.33 | $16.1k | See Footnote | 12/20/2013 |
| 12/20/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 22.5k | $0.35 | $7.9k | See Footnote | 12/20/2013 |
| 12/03/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 41.1k | $0.27 | $11.1k | See Footnote | 12/03/2013 |
| 12/03/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 3.9k | $0.28 | $1.1k | See Footnote | 12/03/2013 |
| 11/21/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 19.4k | $0.23 | $4.5k | See Footnote | 11/19/2013 |
| 11/20/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 70k | $0.23 | $16.1k | See Footnote | 11/19/2013 |
| 11/20/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 90.5k | $0.24 | $21.7k | See Footnote | 11/19/2013 |
| 11/19/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 31.6k | $0.21 | $6.6k | See Footnote | 11/19/2013 |
| 11/15/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 5k | $0.23 | $1.2k | See Footnote | 11/14/2013 |
| 11/15/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 1.2k | $0.22 | $273.9 | See Footnote | 11/14/2013 |
| 11/15/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 25.5k | $0.20 | $5.1k | See Footnote | 11/14/2013 |
| 11/14/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 500 | $0.19 | $95 | See Footnote | 11/14/2013 |
| 11/14/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 2.4k | $0.18 | $428.8 | See Footnote | 11/14/2013 |
| 10/29/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 22k | $0.20 | $4.4k | See Footnote | 10/25/2013 |
| 10/29/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 102.4k | $0.21 | $21.5k | See Footnote | 10/25/2013 |
| 10/28/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 44.5k | $0.21 | $9.3k | See Footnote | 10/25/2013 |
| 10/25/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 64.6k | $0.20 | $12.9k | See Footnote | 10/25/2013 |
| 10/25/2013 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 10% Owner | Purchase | Common Stock | 83.1k | $0.21 | $17.5k | See Footnote | 10/25/2013 |
| 04/29/2011 | MCCARTHY KENT C | 10% Owner | Sale | Common Stock | 6.8k | $3.50 | $23.9k | See Explanation of Responses to Table I, Item 7 | 04/27/2011 |
| 04/29/2011 | MCCARTHY KENT C | 10% Owner | Sale | Common Stock | 108.1k | $3.50 | $378.3k | See Explanation of Responses to Table I, Item 7 | 04/27/2011 |
| 04/28/2011 | MCCARTHY KENT C | 10% Owner | Sale | Common Stock | 7.1k | $3.57 | $25.4k | See Explanation of Responses to Table I, Item 7 | 04/27/2011 |
| 04/28/2011 | MCCARTHY KENT C | 10% Owner | Sale | Common Stock | 112.9k | $3.57 | $402.5k | See Explanation of Responses to Table I, Item 7 | 04/27/2011 |
| 04/27/2011 | MCCARTHY KENT C | 10% Owner | Sale | Common Stock | 11k | $3.64 | $40k | See Explanation of Responses to Table I, Item 7 | 04/27/2011 |
| 04/27/2011 | MCCARTHY KENT C | 10% Owner | Sale | Common Stock | 174k | $3.64 | $634.2k | See Explanation of Responses to Table I, Item 7 | 04/27/2011 |
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