| In millions, except per share items | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 | Dec-31-11 |
| | 10-K | 10-K | 10-K | 10-K | S-1/A |
| Revenues: |
| United States | 146.3 | 78.7 | 38.2 | 26.8 | 13.7 |
| All Other Countries | 34.4 | 35.6 | 19.0 | 4.1 | 0.5 |
| Australia | | | | 3.3 | 0.6 |
| Other | | | | | 0.8 |
| Total revenues | 180.7 | 114.2 | 57.2 | 34.2 | 15.7 |
| Revenue growth [+] | 58.2% | 99.7% | 67.5% | 118.1% | |
| United States | 85.9% | 106.0% | 42.6% | 95.2% | |
| All Other Countries | -3.2% | 87.0% | 364.3% | 665.6% | |
| Australia | | | | 425.0% | |
| Cost of goods sold | 58.2 | 33.9 | 19.7 | 16.4 | 8.2 |
| Gross profit | 122.5 | 80.3 | 37.5 | 17.8 | 7.4 |
| Gross margin | 67.8% | 70.3% | 65.6% | 52.1% | 47.5% |
| Selling, general and administrative [+] | 92.3 | 59.7 | 31.9 | 15.3 | 7.6 |
| Sales and marketing | 55.3 | 38.1 | 21.4 | 10.4 | 5.3 |
| General and administrative | 37.0 | 21.6 | 10.5 | 4.9 | 2.3 |
| Research and development | 41.0 | 22.1 | 11.8 | 7.4 | 3.8 |
| Other operating expenses | | | | -3.9 | |
| Adjusted EBITDA | 4.1 | 2.8 | -5.1 | -0.5 | -3.8 |
| Adjusted EBITDA margin | 2.3% | 2.5% | -8.9% | -1.4% | -24.1% |
| Stock-based compensation | 12.6 | 3.5 | 0.8 | 0.4 | 0.1 |
| EBITDA [+] | -8.4 | -0.7 | -5.9 | -0.9 | -3.9 |
| EBITDA growth | 1064.0% | -87.6% | 546.9% | -76.7% | |
| EBITDA margin | -4.7% | -0.6% | -10.2% | -2.6% | -24.8% |
| Depreciation and amortization | 2.4 | 0.9 | 0.3 | 0.1 | 0.1 |
| EBIT [+] | -10.8 | -1.6 | -6.2 | -1.0 | -4.0 |
| EBIT growth | 582.3% | -74.3% | 521.3% | -75.1% | |
| EBIT margin | -6.0% | -1.4% | -10.8% | -2.9% | -25.5% |
| Non-recurring items [+] | | | | 2.0 | |
| Loss (gain) on sale of assets | | | | 2.0 | |
| Interest expense | 0.0 | 0.2 | 0.2 | 0.2 | 0.1 |
| Interest expense | 0.0 | 0.2 | 0.2 | 0.2 | 0.1 |
| Other income (expense), net [+] | -2.2 | -2.4 | -1.0 | -0.3 | 0.0 |
| Gain (loss) on foreign currency transactions | -2.2 | -2.0 | -0.6 | -0.1 | 0.0 |
| Change in fair value of warrants | | -0.2 | 0.4 | -0.2 | |
| Other non-ooperating expenses | | -0.4 | -0.4 | | |
| Other | -2.2 | 0.0 | 0.0 | -0.5 | |
| Pre-tax income | -13.1 | -4.2 | -7.4 | -3.5 | -4.1 |
| Income taxes | 0.7 | 0.3 | 0.1 | 0.1 | 0.0 |
| Net income | -13.7 | -4.4 | -7.4 | -3.6 | -4.1 |
| Net margin | -7.6% | -3.9% | -13.0% | -10.4% | -26.1% |
| |
| Basic EPS [+] | ($0.42) | ($0.22) | ($1.12) | ($0.55) | ($0.66) |
| Growth | 88.1% | -80.1% | 102.2% | -15.8% | |
| Diluted EPS [+] | ($0.42) | ($0.22) | ($1.12) | ($0.55) | ($0.66) |
| Growth | 88.1% | -80.1% | 102.2% | -15.8% | |
| |
| Shares outstanding (basic) [+] | 32.7 | 19.9 | 6.6 | 6.4 | 6.2 |
| Growth | 64.3% | 201.3% | 2.8% | 3.5% | |
| Shares outstanding (diluted) [+] | 32.7 | 19.9 | 6.6 | 6.4 | 6.2 |
| Growth | 64.3% | 201.3% | 2.8% | 3.5% | |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |