| March 31, | ||||||
| 2012 | 2011 | |||||
| Land | $ | 4,022 | $ | 4,022 | ||
| Construction in progress—equipment | 25,331 | 25,968 | ||||
| Buildings | 36,808 | 36,852 | ||||
| Equipment and software | 62,785 | 57,151 | ||||
| Furniture and fixtures | 1,788 | 1,807 | ||||
| Leasehold improvements | 6,125 | 5,024 | ||||
| Property, plant and equipment, gross | 136,859 | 130,824 | ||||
| Less accumulated depreciation | (46,031 | ) | (34,330 | ) | ||
| March 31, | ||||
| 2012 | 2011 | |||
| Property, plant and equipment, net | $ | 90,828 | $ | 96,494 |