
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME | 
|---|---|---|---|---|---|
| December 31 2011    | $4.32    | $5.42    | $4.32    | $4.61    | 129,202    | 
| December 30 2011    | $4.17    | $4.49    | $3.50    | $4.32    | 41,134    | 
| December 29 2011    | $4.18    | $5.12    | $3.88    | $4.17    | 53,129    | 
| December 28 2011    | $4.15    | $4.81    | $3.88    | $4.18    | 33,691    | 
| December 27 2011    | $4.28    | $4.47    | $3.46    | $4.15    | 30,239    | 
| December 26 2011    | $4.10    | $4.86    | $3.98    | $4.28    | 89,000    | 
| December 25 2011    | $3.95    | $4.81    | $3.82    | $4.10    | 80,792    | 
| December 24 2011    | $3.99    | $4.81    | $3.84    | $3.95    | 14,902    | 
| December 23 2011    | $4.06    | $4.90    | $3.84    | $3.98    | 20,447    | 
| December 22 2011    | $4.18    | $4.24    | $3.35    | $4.06    | 57,333    | 
| December 21 2011    | $3.91    | $4.80    | $3.73    | $4.19    | 48,668    | 
| December 20 2011    | $3.49    | $4.16    | $3.43    | $3.91    | 185,907    | 
| December 19 2011    | $3.22    | $4.34    | $3.12    | $3.48    | 139,691    | 
| December 18 2011    | $3.21    | $3.40    | $2.68    | $3.22    | 10,808    | 
| December 17 2011    | $3.21    | $3.89    | $3.02    | $3.22    | 16,451    | 
| December 16 2011    | $3.25    | $3.25    | $2.68    | $3.20    | 29,906    | 
| December 15 2011    | $3.21    | $3.66    | $3.14    | $3.25    | 30,064    | 
| December 14 2011    | $3.27    | $3.54    | $3.00    | $3.21    | 72,576    | 
| December 13 2011    | $3.29    | $3.35    | $2.65    | $3.27    | 32,652    | 
| December 12 2011    | $3.24    | $3.92    | $3.09    | $3.30    | 40,011    | 
| December 11 2011    | $3.05    | $3.65    | $2.93    | $3.24    | 108,659    | 
| December 10 2011    | $3.09    | $3.20    | $2.57    | $3.05    | 74,396    | 
| December 09 2011    | $3.08    | $3.21    | $2.57    | $3.09    | 34,459    | 
| December 08 2011    | $3.00    | $3.78    | $2.90    | $3.08    | 39,794    | 
| December 07 2011    | $2.96    | $3.30    | $2.75    | $3.00    | 57,965    |