| Date | Insider | Shares | Type | Transaction | Value* |
| 7-Apr-09 | KOPP LEROY C Beneficial Owner (10% or more) | 50,000 | Direct | Purchase at $0.51 per share. | $25,500 |
| 6-Apr-09 | KOPP LEROY C Beneficial Owner (10% or more) | 10,000 | Direct | Purchase at $0.48 per share. | $4,800 |
| 3-Apr-09 | KOPP LEROY C Beneficial Owner (10% or more) | 40,000 | Direct | Purchase at $0.46 per share. | $18,400 |
| 2-Apr-09 | KOPP LEROY C Beneficial Owner (10% or more) | 15,000 | Direct | Purchase at $0.35 per share. | $5,250 |
| 31-Mar-09 | KOPP LEROY C Beneficial Owner (10% or more) | 600 | Direct | Purchase at $0.32 per share. | $192 |
| 27-Mar-09 | KOPP LEROY C Beneficial Owner (10% or more) | 39,000 | Direct | Purchase at $0.32 per share. | $12,480 |
| 25-Feb-09 | KOPP LEROY C Beneficial Owner (10% or more) | 250,000 | Direct | Purchase at $0.32 per share. | $80,000 |
| 24-Feb-09 | KOPP LEROY C Beneficial Owner (10% or more) | 150,000 | Direct | Purchase at $0.30 per share. | $45,000 |
| 15-Dec-08 | DUMAN GREGORY J Director | 25,000 | Direct | Sale at $0.46 per share. | $11,500 |
| 9-Dec-08 | KOPP LEROY C Beneficial Owner (10% or more) | 50,000 | Direct | Purchase at $0.54 per share. | $27,000 |
| 8-Dec-08 | KOPP LEROY C Beneficial Owner (10% or more) | 50,000 | Direct | Purchase at $0.56 per share. | $28,000 |
| 28-Nov-08 | KOPP LEROY C Beneficial Owner (10% or more) | 30,000 | Direct | Purchase at $0.31 per share. | $9,300 |
| 30-Sep-08 | KOPP LEROY C Beneficial Owner (10% or more) | 25,000 | Direct | Purchase at $0.60 per share. | $15,000 |
| 29-Sep-08 | KOPP LEROY C Beneficial Owner (10% or more) | 25,000 | Direct | Purchase at $0.64 per share. | $16,000 |
| 26-Sep-08 | KOPP LEROY C Beneficial Owner (10% or more) | 25,000 | Direct | Purchase at $0.63 per share. | $15,750 |
| 30-May-08 | KOPP LEROY C Beneficial Owner (10% or more) | 30,000 | Direct | Purchase at $0.87 per share. | $26,100 |
| 29-May-08 | KOPP LEROY C Beneficial Owner (10% or more) | 30,000 | Direct | Purchase at $0.79 per share. | $23,700 |
| 21-May-08 | KALDJIAN ERIC P Officer | N/A | Direct | Statement of Ownership | N/A |
| 13-May-08 | KOPP LEROY C Beneficial Owner (10% or more) | 40,000 | Direct | Purchase at $0.74 per share. | $29,600 |
| 2-May-08 | KOPP LEROY C Beneficial Owner (10% or more) | 70,000 | Direct | Purchase at $0.73 per share. | $51,100 |
| 21-Apr-08 | KOPP LEROY C Beneficial Owner (10% or more) | 40,000 | Direct | Purchase at $0.52 per share. | $20,800 |
| 11-Apr-08 | KOPP LEROY C Beneficial Owner (10% or more) | 50,000 | Indirect | Purchase at $0.51 per share. | $25,500 |