| In millions, except per share items | Mar-31-14 | Dec-31-13 | Sep-30-13 | Jun-30-13 | Mar-31-13 | Dec-31-12 | Sep-30-12 | Jun-30-12 |
| | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q |
| Net sales | | | | | | | | |
| Product sales | 9.0 | | | | 12.1 | | | |
| Licensing royalties | 0.1 | | | | | | | |
| Revenue, Net, Total | 44.2 | 47.2 | 46.6 | 45.1 | 43.8 | 43.0 | 32.3 | 36.2 |
| Revenue, Net, Total growth | 0.9% | 9.7% | 44.6% | 44.4% | 44.0% | 48.9% | -13.8% | -8.2% |
| Cost of sales (exclusive of items shown separately below) | 20.4 | 21.7 | 21.4 | 20.5 | 19.7 | 19.1 | 14.0 | 18.2 |
| Gross profit | 23.8 | 25.5 | 25.2 | 24.6 | 24.2 | 24.0 | 18.3 | 17.9 |
| Gross margin | 53.9% | 54.0% | 54.0% | 54.5% | 55.2% | 55.7% | 56.6% | 57.4% |
| |
| Operating expenses | | | | | | | | |
| Selling expenses | 2.1 | 2.3 | 2.1 | 1.8 | 1.7 | 1.4 | 1.0 | 1.0 |
| Staff expenses | 15.9 | 16.4 | 17.6 | 16.7 | 16.0 | 15.5 | 10.1 | 9.8 |
| Occupancy expenses | 12.9 | 12.7 | 12.5 | 11.4 | 10.5 | 10.0 | 7.3 | 6.6 |
| General and administrative | 3.9 | 4.0 | 3.9 | 3.7 | 3.5 | 3.3 | 2.4 | 2.3 |
| New store expenses | | 0.4 | 0.6 | 0.7 | 0.5 | 0.5 | 0.3 | 0.6 |
| Depreciation and amortization | 2.7 | 2.6 | 2.4 | 2.2 | 2.0 | 1.9 | 1.4 | 1.3 |
| Loss on impairment of assets | 1.4 | | | | | | | |
| Loss on disposal of property and equipment | 1.3 | 1.1 | | 0.1 | 0.1 | 0.0 | | 0.0 |
| Total operating expenses | 41.9 | 40.9 | 41.0 | 38.4 | 36.1 | 34.5 | 22.5 | 21.6 |
| Loss from operations | -18.1 | -15.4 | -15.8 | -13.9 | -11.9 | -10.5 | -10.4 | -9.9 |
| Operating margin | -40.8% | -32.6% | -34.0% | -30.7% | -27.2% | -24.5% | -32.3% | -27.4% |
| |
| Other income (expense) | | | | | | | | |
| Interest expense | -0.6 | -0.4 | -0.2 | -0.1 | | | | |
| Interest and other income | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Change in fair value of warrant liability | 0.2 | 0.1 | -0.3 | | 0.6 | 0.3 | 0.4 | 12.4 |
| Nonoperating Income (Expense) | 0.1 | -0.4 | -0.7 | -0.1 | 0.5 | 0.2 | 0.3 | 12.4 |
| Net loss attributable to the controlling and non-controlling interests | -20.4 | -18.2 | -18.9 | -13.9 | -11.4 | -10.3 | -6.5 | 6.1 |
| Less: Net loss attributable to non-controlling interests | 3.3 | 3.0 | 3.1 | 2.7 | 2.5 | 2.7 | 1.6 | 5.3 |
| Net loss attributable to stockholders | -17.1 | -15.3 | -15.8 | -11.2 | -8.9 | -7.7 | -3.8 | 3.6 |
| |
| Net loss per common share, basic and diluted (in dollars per share) | ($1.47) | ($1.31) | ($1.59) | ($1.30) | ($1.15) | ($1.12) | ($0.69) | $0.65 |
| |
| Weighted average number of common shares outstanding, basic and diluted | 11.6 | 11.6 | 10.4 | 8.9 | 7.4 | 5.8 | 4.1 | 4.1 |