| Date | Insider | Shares | Type | Transaction | Value* |
| 14-Sep-09 | LEBUHN RICHARD T. Director | 17,301 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 14-Sep-09 | MAJTELES ROBERT J Director | 17,301 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 14-Sep-09 | GRIFFIN GERALD D Director | 17,301 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 14-Sep-09 | HULTMAN JEFFREY R Director | 17,301 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 3-Jun-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 507 | Indirect | Purchase at $3 per share. | $1,521 |
| 2-Jun-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 1,000 | Indirect | Purchase at $3.10 per share. | $3,100 |
| 25-Apr-08 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 25-Apr-08 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 29,500 | Direct | Purchase at $3.50 - $3.71 per share. | $106,0002 |
| 24-Apr-08 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 24-Apr-08 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 25,000 | Direct | Purchase at $3.33 - $3.56 per share. | $86,0002 |
| 23-Apr-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 1,000 | Indirect | Purchase at $3.20 per share. | $3,200 |
| 23-Apr-08 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 23-Apr-08 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 47,481 | Direct | Purchase at $3.20 per share. | $151,939 |
| 22-Apr-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 1,400 | Indirect | Purchase at $3.32 per share. | $4,648 |
| 17-Apr-08 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 17-Apr-08 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 117,700 | Direct | Purchase at $3.35 per share. | $394,295 |
| 16-Apr-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 3,099 | Indirect | Purchase at $3.21 per share. | $9,947 |
| 15-Apr-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 4,695 | Indirect | Purchase at $3.50 per share. | $16,432 |
| 19-Mar-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 21,986 | Indirect | Purchase at $4.09 per share. | $89,922 |
| 18-Mar-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 3,985 | Indirect | Purchase at $4.13 - $4.15 per share. | $16,0002 |
| 17-Mar-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 3,106 | Indirect | Purchase at $4.19 per share. | $13,014 |
| 14-Mar-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 5,635 | Indirect | Purchase at $4.06 per share. | $22,878 |
| 13-Mar-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 953 | Indirect | Purchase at $4.53 per share. | $4,317 |
| 12-Mar-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 25,194 | Indirect | Purchase at $4.54 per share. | $114,380 |
| 1-Mar-08 | SUNDIUS ROBERT W JR Director | N/A | Direct | Statement of Ownership | N/A |
| 1-Mar-08 | SUNDIUS ROBERT W JR Director | N/A | Direct | Statement of Ownership | N/A |
| 1-Mar-08 | LEBUHN RICHARD T. Director | N/A | Direct | Statement of Ownership | N/A |
| 11-Feb-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 100 | Indirect | Purchase at $4.85 per share. | $484 |
| 8-Feb-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 11,903 | Indirect | Purchase at $4.98 per share. | $59,276 |
| 7-Feb-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 4,913 | Indirect | Purchase at $5.20 per share. | $25,547 |
| 6-Feb-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 4,695 | Indirect | Purchase at $5.31 per share. | $24,930 |
| 29-Jan-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 38,033 | Indirect | Purchase at $5.39 per share. | $204,997 |
| 28-Jan-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 3,662 | Indirect | Purchase at $5.42 per share. | $19,848 |
| 23-Jan-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 43,386 | Indirect | Purchase at $5.50 per share. | $238,623 |
| 22-Jan-08 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 22-Jan-08 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 2,750 | Direct | Purchase at $5.30 - $5.54 per share. | $15,0002 |
| 17-Jan-08 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 17-Jan-08 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 840 | Direct | Purchase at $5.40 per share. | $4,536 |
| 17-Jan-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 3,756 | Indirect | Purchase at $5.46 per share. | $20,507 |
| 11-Jan-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 1,100 | Indirect | Purchase at $5.45 per share. | $5,995 |
| 10-Jan-08 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 10-Jan-08 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 18,300 | Direct | Purchase at $5.40 - $5.5 per share. | $100,0002 |
| 10-Jan-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 600 | Indirect | Purchase at $5.37 per share. | $3,222 |
| 9-Jan-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 1,000 | Indirect | Purchase at $5.50 per share. | $5,500 |
| 9-Jan-08 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 9-Jan-08 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 321 | Direct | Purchase at $5.40 per share. | $1,733 |
| 8-Jan-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 8,403 | Indirect | Purchase at $5.50 per share. | $46,216 |
| 4-Jan-08 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 4-Jan-08 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 1,500 | Direct | Purchase at $5.50 per share. | $8,250 |
| 3-Jan-08 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 530 | Indirect | Purchase at $5.51 per share. | $2,920 |
| 2-Jan-08 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 2-Jan-08 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 400 | Direct | Purchase at $5.50 per share. | $2,200 |
| 28-Dec-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 28-Dec-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 46,260 | Direct | Purchase at $5.40 - $5.5 per share. | $252,0002 |
| 27-Dec-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 27-Dec-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 3,804 | Direct | Purchase at $5.40 - $5.42 per share. | $21,0002 |
| 26-Dec-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 26-Dec-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 30,154 | Direct | Purchase at $5.39 - $5.5 per share. | $164,0002 |
| 21-Dec-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 21-Dec-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 15,400 | Direct | Purchase at $5.10 - $5.25 per share. | $80,0002 |
| 19-Dec-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 19-Dec-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 2,600 | Direct | Purchase at $5.04 - $5.25 per share. | $13,0002 |
| 18-Dec-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 18-Dec-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 7,532 | Direct | Purchase at $4.90 - $5.2 per share. | $38,0002 |
| 17-Dec-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 17-Dec-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 4,700 | Direct | Purchase at $5 - $5.15 per share. | $24,0002 |
| 14-Dec-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 14-Dec-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 8,135 | Direct | Purchase at $4.85 - $5 per share. | $40,0002 |
| 13-Dec-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 13-Dec-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 7,820 | Direct | Purchase at $4.81 - $4.92 per share. | $38,0002 |
| 7-Dec-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 7-Dec-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 7,285 | Direct | Purchase at $4.79 - $5 per share. | $36,0002 |
| 5-Dec-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 5-Dec-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 455 | Direct | Purchase at $4.95 per share. | $2,252 |
| 29-Nov-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 29-Nov-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 200 | Direct | Purchase at $5 per share. | $1,000 |
| 28-Nov-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | N/A | Indirect | Purchase at $0 per share. | N/A |
| 28-Nov-07 | BROADWOOD PARTNERS LP Beneficial Owner (10% or more) | 925 | Direct | Purchase at $5 - $5 per share. | $4,6252 |