| Date | Insider | Shares | Type | Transaction | Value* |
| 5-Mar-09 | DIKER MANAGEMENT LLC Beneficial Owner (10% or more) | 11,385 | Indirect | Purchase at $0.58 per share. | $6,603 |
| 4-Mar-09 | DIKER MANAGEMENT LLC Beneficial Owner (10% or more) | 9,622 | Indirect | Purchase at $0.52 per share. | $5,003 |
| 11-Dec-08 | DIKER MANAGEMENT LLC Beneficial Owner (10% or more) | 201,400 | Indirect | Purchase at $0.75 per share. | $151,050 |
| 10-Dec-08 | DIKER MANAGEMENT LLC Beneficial Owner (10% or more) | 385 | Indirect | Purchase at $0.62 per share. | $238 |
| 9-Dec-08 | DIKER MANAGEMENT LLC Beneficial Owner (10% or more) | 8,597 | Indirect | Purchase at $0.73 per share. | $6,275 |
| 8-Dec-08 | DIKER MANAGEMENT LLC Beneficial Owner (10% or more) | 31,532 | Indirect | Purchase at $0.66 per share. | $20,811 |
| 14-Jul-08 | DIKER MANAGEMENT LLC Beneficial Owner (10% or more) | 14,700 | Indirect | Purchase at $1.44 per share. | $21,168 |
| 11-Jul-08 | DIKER MANAGEMENT LLC Beneficial Owner (10% or more) | 4,950 | Indirect | Purchase at $1.30 per share. | $6,435 |
| 10-Jul-08 | DIKER MANAGEMENT LLC Beneficial Owner (10% or more) | 17,641 | Indirect | Purchase at $1.37 per share. | $24,168 |
| 9-Jul-08 | DIKER MANAGEMENT LLC Beneficial Owner (10% or more) | 72,900 | Indirect | Purchase at $1.42 per share. | $103,518 |
| 26-Mar-08 | DIKER MANAGEMENT LLC Beneficial Owner (10% or more) | 8,000 | Indirect | Purchase at $2.54 per share. | $20,320 |
| 25-Mar-08 | DIKER MANAGEMENT LLC Beneficial Owner (10% or more) | 12,724 | Indirect | Purchase at $2.49 per share. | $31,682 |
| 24-Mar-08 | DIKER MANAGEMENT LLC Beneficial Owner (10% or more) | 15,601 | Indirect | Purchase at $2.42 per share. | $37,754 |