| 2011-07-28 | Joint reporting: Vision Opportunity Master Fund, Ltd.; VISION CAPITAL ADVISORS, LLC; BENOWITZ ADAM; THOMSON ROBERT; VCAF GP, LLC; Vision Capital Advantage Fund, L.P. | A | — |
| 2011-06-14 | Joint reporting: Vision Opportunity Master Fund, Ltd.; VISION CAPITAL ADVISORS, LLC; BENOWITZ ADAM; THOMSON ROBERT; VCAF GP, LLC; Vision Capital Advantage Fund, L.P. | A | — |
| 2011-05-13 | Joint reporting: Vision Opportunity Master Fund, Ltd.; VISION CAPITAL ADVISORS, LLC; BENOWITZ ADAM; THOMSON ROBERT; VCAF GP, LLC; Vision Capital Advantage Fund, L.P. | A | — |
| 2011-04-15 | Joint reporting: Vision Opportunity Master Fund, Ltd.; VISION CAPITAL ADVISORS, LLC; BENOWITZ ADAM; THOMSON ROBERT; VCAF GP, LLC; Vision Capital Advantage Fund, L.P. | A | — |
| 2011-03-04 | Joint reporting: Vision Opportunity Master Fund, Ltd.; VISION CAPITAL ADVISORS, LLC; BENOWITZ ADAM; THOMSON ROBERT; VCAF GP, LLC; Vision Capital Advantage Fund, L.P. | A | — |
| 2011-01-13 | Joint reporting: Vision Opportunity Master Fund, Ltd.; VISION CAPITAL ADVISORS, LLC; BENOWITZ ADAM; THOMSON ROBERT; VCAF GP, LLC; Vision Capital Advantage Fund, L.P. | A | — |
| 2010-12-30 | Joint reporting: Vision Opportunity Master Fund, Ltd.; VISION CAPITAL ADVISORS, LLC; BENOWITZ ADAM; THOMSON ROBERT; VCAF GP, LLC; Vision Capital Advantage Fund, L.P. | A | — |
| 2010-11-29 | Joint reporting: Vision Opportunity Master Fund, Ltd.; VISION CAPITAL ADVISORS, LLC; BENOWITZ ADAM; THOMSON ROBERT; VCAF GP, LLC; Vision Capital Advantage Fund, L.P. | D | — |
| 2010-11-29 | Joint reporting: Vision Opportunity Master Fund, Ltd.; VISION CAPITAL ADVISORS, LLC; BENOWITZ ADAM; THOMSON ROBERT; VCAF GP, LLC; Vision Capital Advantage Fund, L.P. | A | — |
| 2010-11-29 | Joint reporting: Vision Opportunity Master Fund, Ltd.; VISION CAPITAL ADVISORS, LLC; BENOWITZ ADAM; THOMSON ROBERT; VCAF GP, LLC; Vision Capital Advantage Fund, L.P. | D | — |
| 2010-11-29 | Joint reporting: Vision Opportunity Master Fund, Ltd.; VISION CAPITAL ADVISORS, LLC; BENOWITZ ADAM; THOMSON ROBERT; VCAF GP, LLC; Vision Capital Advantage Fund, L.P. | A | — |
| 2010-11-29 | Joint reporting: Vision Opportunity Master Fund, Ltd.; VISION CAPITAL ADVISORS, LLC; BENOWITZ ADAM; THOMSON ROBERT; VCAF GP, LLC; Vision Capital Advantage Fund, L.P. | D | — |
| 2010-11-29 | Joint reporting: Vision Opportunity Master Fund, Ltd.; VISION CAPITAL ADVISORS, LLC; BENOWITZ ADAM; THOMSON ROBERT; VCAF GP, LLC; Vision Capital Advantage Fund, L.P. | A | — |
| 2010-11-29 | Joint reporting: Vision Opportunity Master Fund, Ltd.; VISION CAPITAL ADVISORS, LLC; BENOWITZ ADAM; THOMSON ROBERT; VCAF GP, LLC; Vision Capital Advantage Fund, L.P. | D | — |
| 2010-11-29 | Joint reporting: Vision Opportunity Master Fund, Ltd.; VISION CAPITAL ADVISORS, LLC; BENOWITZ ADAM; THOMSON ROBERT; VCAF GP, LLC; Vision Capital Advantage Fund, L.P. | A | — |
| 2010-11-12 | Joint reporting: Vision Opportunity Master Fund, Ltd.; VISION CAPITAL ADVISORS, LLC; BENOWITZ ADAM; THOMSON ROBERT; VCAF GP, LLC; Vision Capital Advantage Fund, L.P. | A | — |
| 2010-09-29 | Joint reporting: Vision Opportunity Master Fund, Ltd.; VISION CAPITAL ADVISORS, LLC; BENOWITZ ADAM; THOMSON ROBERT; VCAF GP, LLC; Vision Capital Advantage Fund, L.P. | A | — |
| 2010-08-06 | Joint reporting: Vision Opportunity Master Fund, Ltd.; VISION CAPITAL ADVISORS, LLC; BENOWITZ ADAM; THOMSON ROBERT; VCAF GP, LLC; Vision Capital Advantage Fund, L.P. | A | — |
| 2010-06-25 | Joint reporting: Vision Opportunity Master Fund, Ltd.; VISION CAPITAL ADVISORS, LLC; BENOWITZ ADAM; THOMSON ROBERT; VCAF GP, LLC; Vision Capital Advantage Fund, L.P. | A | — |
| 2010-06-25 | Joint reporting: Vision Opportunity Master Fund, Ltd.; VISION CAPITAL ADVISORS, LLC; BENOWITZ ADAM; THOMSON ROBERT; VCAF GP, LLC; Vision Capital Advantage Fund, L.P. | A | — |