In millions, except per share items | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 | Dec-31-11 | Dec-31-10 | Dec-31-09 |
| 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
ASSETS | | | | | | | | |
Current assets: | | | | | | | | |
Cash and cash equivalents | 12.6 | 19.0 | 18.4 | 19.9 | 32.6 | 37.0 | 27.6 | |
Trade receivables, net of allowance for doubtful accounts of $684 and $554, respectively | 22.2 | 21.4 | 20.3 | 19.0 | 23.6 | 19.5 | 16.3 | |
Inventory | 2.2 | 2.5 | 2.7 | 1.9 | 2.0 | 1.4 | 1.0 | |
Prepaid expenses and other current assets | 4.9 | 3.3 | 5.1 | 4.1 | 3.1 | 2.2 | 1.9 | |
Total current assets | 41.9 | 46.3 | 46.5 | 45.0 | 61.3 | 60.2 | 46.9 | |
|
Long-term assets: | | | | | | | | |
Property and equipment, net | 11.0 | 13.5 | 14.6 | 18.5 | 10.2 | 9.3 | 11.4 | |
Intangible assets, net | 4.6 | 6.2 | 7.8 | 10.0 | 12.4 | 3.8 | 5.1 | |
Goodwill | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 3.7 | 3.7 | |
Other assets | 2.2 | 1.7 | 2.4 | 1.2 | 2.0 | 0.4 | 0.4 | |
|
Total long-term assets | | | | | | | | |
Total assets | 74.4 | 82.3 | 85.8 | 89.2 | 100.6 | 77.3 | 67.4 | |
|
LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT) | | | | | | | | |
Current liabilities: | | | | | | | | |
Accounts payable | 4.7 | 3.3 | 5.9 | 5.5 | 3.1 | 2.9 | 2.6 | |
Accrued liabilities | 12.6 | 9.9 | 8.4 | 10.1 | 12.9 | 9.8 | 7.3 | |
Bank line of credit | 3.5 | | | | | | | |
Deferred revenues | 40.2 | 41.6 | 39.1 | 37.3 | 37.3 | 33.6 | 30.3 | 32.3 |
Total current liabilities | 61.1 | 54.8 | 53.5 | 53.2 | 53.7 | 46.4 | 40.2 | |
|
Long-term liabilities: | | | | | | | | |
Deferred rent and other long-term liabilities | 6.9 | 7.5 | 0.6 | 0.2 | 0.2 | | | |
Deferred revenues | 5.9 | 8.2 | 6.2 | 4.3 | 6.1 | 6.0 | 3.3 | |
Deferred tax liabilities | 0.6 | 0.5 | 0.6 | 0.5 | 0.2 | 0.2 | 0.1 | |
Total long-term liabilities | 13.4 | 16.3 | 15.1 | 12.0 | 7.8 | 6.7 | 4.7 | |
|
Commitments and contingencies (Note 12) | | | | | | | | |
Stockholders' equity (deficit): | | | | | | | | |
Preferred stock, $0.001 par value: 10,000,000 shares authorized; no shares issued or outstanding | | | | | | | | |
Common stock | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Additional paid-in capital | 128.2 | 118.7 | 110.3 | 102.4 | 93.0 | 74.3 | 68.3 | |
Accumulated deficit | -116.8 | -96.0 | -81.6 | -66.9 | -45.4 | -43.4 | -41.8 | |
Total stockholders' equity (deficit) | -0.1 | 11.2 | 17.2 | 24.0 | 39.0 | 24.3 | 22.5 | |
Total liabilities and stockholders' equity (deficit) | 74.4 | 82.3 | 85.8 | 89.2 | 100.6 | 77.3 | 67.4 | |