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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2016
Share-based Compensation [Abstract] |
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] | A summary of stock-based compensation costs follows (in millions):
| Year Ended December 31,
| 2016 |  | 2015
Total stock-based compensation costs: |  |  |
Restricted stock units | $ | 0.2 |  |  | $ | 0.2 |
Stock options | 0.3 |  |  | 0.2 |
Expense included in selling, general and administrative expense | $ | 0.5 |  |  | $ | 0.4 |
Total recognized tax benefit | $ | — |  |  | $ | — |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] | Assumptions used in the Black-Scholes option pricing model to value option grants follow:
| Year Ended December 31,
| 2016 |  | 2015
Risk-free interest rate | 1.91% |  | 1.91%
Expected volatility | 75% |  | 75%
Expected option life (years) | 6 |  | 6
Weighted-average grant date fair value | $1.77 |  | $2.62
Options granted (in thousands) | 15 |  | 437
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] | Stock options vest and become exercisable in equal annual installments over a three or four year period and expire ten years from the date of grant. A summary of stock option activity follows:
|  | Stock Options (thousands) |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Life in Years |  | Aggregate Intrinsic Value (millions)
Outstanding at December 31, 2015 |  | 475 |  | $4.09 |  | 9.3 |  | $—
Granted |  | 15 |  | $2.68 |  |  |  |
Exercised |  | — |  | — |  |  |  |
Forfeited/Cancelled |  | (7) |  | $5.62 |  |  |  |
Outstanding at December 31, 2016 |  | 483 |  | $4.02 |  | 8.4 |  | $1.1
Exercisable at December 31, 2016 |  | 141 |  | $4.12 |  | 8.3 |  | $0.3
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block] | Stock options outstanding and options exercisable at December 31, 2016, follow:
Stock Exercise Price |  | Options Outstanding (thousands) |  | Weighted Average Remaining Contractual Life in Years |  | Options Exercisable (thousands)
$5.62 |  | 30 |  | 7.9 |  | 20.0
$4.37 |  | 300 |  | 8.2 |  | 75.0
$3.90 |  | 23 |  | 8.6 |  | 8.0
$3.93 |  | 15 |  | 8.6 |  | 5.0
$2.71 |  | 50 |  | 8.8 |  | 16.0
$2.75 |  | 50 |  | 8.8 |  | 17.0
$2.68 |  | 15 |  | 9.5 |  | —

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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