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 |
Revenue: | | | | | | | | |
|
Cost of revenue: | | | | | | | | |
Gross profit | 39.7 | 46.2 | 39.6 | 41.4 | 37.6 | 35.3 | 38.7 | 32.1 |
|
Operating expenses: | | | | | | | | |
Selling, general and administrative | 40.0 | 37.7 | 34.6 | 34.1 | 31.6 | 31.6 | 32.3 | 30.3 |
Executive officer severance | 4.2 | | | | | | | |
Merger related transaction costs | | 0.4 | 1.8 | | | | | |
Consent solicitation expense | 0.7 | 0.2 | 0.5 | | | | | |
Contract termination expense | 1.1 | | | | | | | |
Change in fair value of contingent earnout consideration | -0.3 | -0.7 | | | | | | |
Depreciation and amortization | 3.2 | 4.0 | 1.5 | 0.9 | 1.2 | 1.8 | 2.8 | 4.0 |
Total operating expenses | 48.9 | 84.0 | 76.5 | 69.0 | 32.9 | 33.4 | 37.4 | 34.3 |
Operating income (loss) | -9.2 | 4.5 | 1.5 | 7.4 | 4.7 | 1.9 | 1.3 | -2.2 |
Other expense, net | 0.3 | 2.3 | 2.0 | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 |
(Loss) income before income taxes | -9.5 | 2.2 | -0.5 | 7.2 | 4.6 | | | |
Tax provision (benefit) | 19.6 | 5.0 | 3.5 | 3.2 | -30.1 | 0.4 | 0.8 | 21.4 |
Net loss | -29.1 | -2.8 | -4.1 | 4.1 | 34.7 | 1.4 | 0.3 | -23.6 |
|
Comprehensive loss: | | | | | | | | |
Currency translation adjustments | 0.0 | 0.0 | -0.3 | -0.1 | 0.0 | 0.0 | -0.1 | -0.1 |
Total comprehensive loss | -29.1 | -2.9 | -4.4 | 4.0 | 34.7 | 1.4 | 0.3 | -23.6 |
|
Net loss per share: | | | | | | | | |
Basic net loss per share of common stock | ($2.14) | ($0.23) | ($0.35) | $0.37 | $3.21 | $0.13 | $0.03 | ($1.93) |
Diluted net loss per share of common stock | ($2.14) | ($0.23) | ($0.35) | $0.31 | $2.88 | $0.13 | $0.03 | ($1.93) |
|
Shares used in computing basic net loss per share of common stock | 13.6 | 12.2 | 11.5 | 11.1 | 10.8 | 11.2 | 12.0 | 12.2 |
Shares used in computing diluted net loss per share of common stock | 13.6 | 12.2 | 11.5 | 13.1 | 12.0 | 11.6 | 12.0 | 12.2 |