Number of Consecutive Trading Days For Current Year Options Granted Vesting Requirement

No definition available.

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- Definition

The closing price per share of common stock on the NYSE that would need to be met for ten consecutive days either ending on or following the third year anniversary of the date of grant as an additional vesting criteria.

+ References

No definition available.

+ Details

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- Definition

The percentage increase over granted price based on the NYSE that our common stock must have for 10 consecutive trading days ending on or after the third anniversary of the date of grant for our stock options granted in the current period in order to complete the vesting criteria.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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- Definition

The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

+ References

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- Definition

The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ References

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- Definition

The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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- Definition

Percentage of vesting of share-based compensation awards.

+ References

+ Details

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- Definition

Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ 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)(i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.D.2)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

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- Definition

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

+ References

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- Definition

Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

+ References

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- Definition

The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

+ References

+ Details

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- Definition

Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

+ Details

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Note 15 - Share-Based and Other Compensation Plans (Non-Qualified Stock Options - Range of Exercise Prices) (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2016 USD ($) days $ / shares shares	Dec. 31, 2015 $ / shares	Dec. 31, 2014 $ / shares
$2.45 - $3.58 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Range Limit	$ 2.45
Range of Exercise Prices, Upper Range Limit	3.58
$5.76 - $7.06 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Range Limit	5.76
Range of Exercise Prices, Upper Range Limit	7.06
$10.42 - $15.44 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Range Limit	10.42
Range of Exercise Prices, Upper Range Limit	$ 15.44
Stock Options [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Number Outstanding \| shares	2,839,738
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	5 years 3 months
Options Outstanding, Weighted Average Exercise Price	$ 7.64
Options Exercisable, Number Exercisable \| shares	1,970,659
Options Exercisable, Weighted Average Exercise Price	$ 4.57
Expected life (years)	10 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value \| $	$ 3.8
Number of Consecutive Trading Days For Current Year Options Granted Vesting Requirement \| days	10
Stock Options [Member] \| 2016 Award Year [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options Granted in Period, Percent of Increase Over Granted Price for Additional Vesting Criteria	125.00%
Stock Options [Member] \| 2015 Award Year [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options Granted in Period, Percent of Increase Over Granted Price for Additional Vesting Criteria		125.00%
Stock Options [Member] \| 2014 Award Year [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options Granted in Period, Percent of Increase Over Granted Price for Additional Vesting Criteria			125.00%
Stock Options [Member] \| $2.45 - $3.58 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Number Outstanding \| shares	1,592,785
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	4 years 1 month
Options Outstanding, Weighted Average Exercise Price	$ 2.83
Options Exercisable, Number Exercisable \| shares	1,592,785
Options Exercisable, Weighted Average Exercise Price	$ 2.83
Stock Options [Member] \| $5.76 - $7.06 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Number Outstanding \| shares	43,674
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	1 year 2 months
Options Outstanding, Weighted Average Exercise Price	$ 6.91
Options Exercisable, Number Exercisable \| shares	43,674
Options Exercisable, Weighted Average Exercise Price	$ 6.91
Stock Options [Member] \| $10.42 - $15.44 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Number Outstanding \| shares	1,006,456
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	6 years 8 months
Options Outstanding, Weighted Average Exercise Price	$ 13.17
Options Exercisable, Number Exercisable \| shares	320,270
Options Exercisable, Weighted Average Exercise Price	$ 12.27
Stock Options [Member] \| $18.42 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Number Outstanding \| shares	196,823
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	8 years 6 months
Options Outstanding, Weighted Average Exercise Price	$ 18.42
Options Exercisable, Number Exercisable \| shares	13,930
Options Exercisable, Weighted Average Exercise Price	$ 18.42
Share-based Compensation Award, Tranche One [Member] \| Stock Options [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	50.00%
Share-based Compensation Award, Tranche Two [Member] \| Stock Options [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	50.00%
Minimum [Member] \| Stock Options [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Expected life (years)	3 years 9 days	3 years 9 days	2 years 360 days
Minimum [Member] \| Stock Options [Member] \| 2016 Award Year [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options Granted in Period, Closing Price of Common Stock Vesting Criteria	$ 15.20
Minimum [Member] \| Stock Options [Member] \| 2015 Award Year [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options Granted in Period, Closing Price of Common Stock Vesting Criteria		$ 23.03
Minimum [Member] \| Stock Options [Member] \| 2014 Award Year [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options Granted in Period, Closing Price of Common Stock Vesting Criteria			$ 19.30