In millions, except per share items | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 | Dec-31-11 | Dec-31-10 |
| 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
Assets | | | | | | | | |
Current Assets: | | | | | | | | |
Cash and cash equivalents | 0.4 | 1.7 | 1.0 | 2.4 | 0.5 | 1.6 | 1.8 | 0.7 |
Restricted cash | 0.9 | 1.0 | | | | | | |
Accounts receivable, net | 0.2 | 0.4 | 0.5 | 0.1 | 0.2 | 0.2 | 0.0 | 0.3 |
Inventory | 10.6 | 8.9 | 7.1 | | | | 0.0 | 0.1 |
Due from related party | 0.1 | | | | | | | 0.0 |
Prepaid expenses and other current assets | 0.1 | 0.1 | 0.3 | 0.1 | 0.1 | 0.1 | 0.0 | 0.2 |
Total Current Assets | 12.5 | 12.1 | 9.7 | 2.7 | 0.8 | 1.8 | 1.9 | 1.4 |
Property and equipment, net | 0.2 | 0.2 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 |
Intangible assets, net | 2.9 | 3.7 | 5.0 | | 0.8 | 0.6 | 0.0 | 0.1 |
Capitalized technology, net | 0.9 | 0.9 | 0.9 | 0.9 | | | | |
Other assets | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.7 | 0.0 | 0.7 |
Total Assets | 16.5 | 25.5 | 24.3 | 3.5 | 1.6 | 2.5 | 1.9 | 2.1 |
|
Liabilities and Stockholders' Equity | | | | | | | | |
Current Liabilities: | | | | | | | | |
Accounts payable | 1.8 | 4.3 | 2.6 | 0.5 | 0.7 | 0.6 | 1.1 | 1.1 |
Accrued expenses | 1.2 | 0.9 | 0.7 | 0.2 | 0.3 | 0.6 | 0.6 | 0.4 |
Deferred revenue | 0.4 | 0.4 | 0.8 | 0.3 | 0.1 | 0.0 | | 0.4 |
Promissory note payable | 8.3 | 0.7 | | | | | 0.0 | |
Capital lease obligation | 0.0 | 0.0 | | | | | | |
Total Current Liabilities | 11.7 | 6.3 | 4.1 | 1.0 | 2.1 | 1.3 | 2.1 | 3.5 |
Capital lease obligation, net of current portion | 0.0 | 0.0 | | | | | | |
Total Liabilities | 11.7 | 12.8 | 10.3 | 1.0 | 2.3 | 1.3 | 2.1 | 3.5 |
|
Stockholders' Equity: | | | | | | | | |
Convertible preferred stock | | | | | | | | |
Common stock; $0.0001 par value; 43 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Additional paid in capital | 75.5 | 71.1 | 68.7 | 54.6 | 44.1 | 41.7 | 33.2 | 25.9 |
Accumulated deficit | -70.7 | -58.4 | -54.7 | -52.0 | -44.8 | -40.5 | -31.5 | -27.0 |
Total Stockholders' Equity | 4.8 | 12.7 | 14.0 | 2.6 | -0.7 | 1.2 | -0.2 | -1.4 |
Total Liabilities and Stockholders' Equity | 16.5 | 25.5 | 24.3 | 3.5 | 1.6 | 2.5 | 1.9 | 2.1 |