In millions, except per share items | Dec-31-11 | Dec-31-10 | Dec-31-09 | Dec-31-08 | Dec-31-07 | Dec-31-06 | Dec-31-05 | Dec-31-04 |
| 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | S-1/A | S-1/A |
Assets | | | | | | | | |
Current assets | | | | | | | | |
Cash and cash equivalents | 23.6 | 7.8 | | | | | | |
Restricted cash | 4.1 | 1.7 | | | | | | |
Marketable securities | | 27.8 | | | | | | |
Billed accounts receivable, net | 18.5 | 14.4 | | | | | | |
Unbilled accounts receivable | 12.7 | 18.0 | | | | | | |
Inventory, net | 10.4 | 9.2 | | | | | | |
Deferred costs | 1.8 | 1.7 | | | | | | |
Other current assets | 1.3 | 2.1 | | | | | | |
Total current assets | 72.4 | 82.7 | | | | | | |
Restricted cash | 0.3 | 3.7 | | | | | | |
Property and equipment, net | 26.9 | 22.5 | | | | | | |
Intangible assets, net | 3.6 | 3.8 | | | | | | |
Goodwill | 0.5 | 0.5 | | | | | | |
Other assets | 1.7 | 0.9 | | | | | | |
Total assets | 105.4 | 114.2 | | | | | | |
|
Liabilities and Shareholders' Equity | | | | | | | | |
Current liabilities | | | | | | | | |
Accounts payable | 5.1 | 8.5 | | | | | | |
Accrued expenses | 20.3 | 17.4 | | | | | | |
Deferred revenue | 7.1 | 5.8 | | | 4.3 | 6.1 | | |
Current portion of long-term debt | 9.2 | 3.0 | | | | | | |
Other current liabilities | 7.6 | 8.0 | | | | | | |
Total current liabilities | 49.3 | 42.6 | | | | | | |
|
Long-term liabilities | | | | | | | | |
Deferred revenue | 0.5 | 1.7 | | | | | | |
Long-term debt | 17.1 | 21.8 | | | | | | |
Other liabilities | 1.6 | 2.1 | | | | | | |
Total long-term liabilities | 19.1 | 25.5 | | | | | | |
|
Commitments and contingencies (Note 12) | | | | | | | | |
Shareholders' equity | | | | | | | | |
Common stock | 0.0 | 0.0 | | | | | | |
Additional paid-in capital | 266.1 | 262.2 | | | | | | |
Treasury stock | -0.3 | -0.3 | | | | | | |
Accumulated deficit | -228.8 | -215.9 | | | | | | |
Accumulated other comprehensive income | 0.0 | 0.0 | | | | | | |
Total shareholders' equity | 37.0 | 46.1 | | | | | | |
Total liabilities and shareholders' equity | 105.4 | 114.2 | | | | | | |