Share Based Compensation Arrangement By Share Based Payment Award, Option, Aggregate Fair Value [Roll Forward]

No definition available.

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- Definition

Amount by which the aggregate fair value of the options cancelled during the period.

+ References

No definition available.

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- Definition

Amount by which the aggregate fair value of the options forfeited during the period.

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No definition available.

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- Definition

Amount by which the aggregate fair value of the options granted during the period.

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No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Options Issued In Period Aggregate Fair Value

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No definition available.

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- Definition

Amount by which the aggregate fair value of the options outstanding.

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Grant Date Fair Value

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Options, Issued, Number of Shares

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Options, Issued in Period, Weighted Average Grant Date Fair Value

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Aggregate Fair Value

+ References

No definition available.

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- Definition

Share-based Compensation Arrangements by Share-based Payment Award, Options, Issued in Period, Weighted Average Exercise Price

+ References

No definition available.

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

+ References

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- Definition

The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

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- Definition

Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

+ References

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ 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=96867065&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

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- References

No definition available.

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

+ References

No definition available.

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

No definition available.

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- Definition

Percentage of vesting of share-based compensation awards.

+ References

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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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=96867065&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

Weighted average grant-date fair value of non-vested options outstanding.

+ References

No definition available.

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- Definition

Weighted average remaining contractual term for fully vested and expected to vest exercisable or convertible options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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- Definition

Number of options vested.

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- Definition

Weighted average grant-date fair value of options vested.

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Stock Incentive Plans - Stock Options Activity (Details) - USD ($) $ / shares in Units, $ in Thousands					12 Months Ended
	Dec. 31, 2017	Nov. 07, 2016	Jan. 01, 2015	Oct. 15, 2014	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Chief Financial Officer
Options
Granted, options (in shares)		280,000
Management Incentive Plan 2014
Aggregate fair value (in millions)
Vesting Year 1				25.00%
Employee Stock Option \| Management Incentive Plan 2014
Options
Balance outstanding beginning of period, options (in shares)			123,874		6,738	62,276	123,874
Forfeited, options (in shares)					(454)	(13,038)	(97,507)
Vested, options (in shares)					(3,369)		(6,591)
Cancelled, options (in shares)						(42,500)
Balance outstanding end of period, options (in shares)	2,915				2,915	6,738	62,276
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Exercise Price (in dollars per share)			$ 439.09				$ 439.09
Exercise Price (in dollars per share)	$ 116.64				$ 116.64
Expiration			5 years
Risk free interest rate			1.40%
Volatility			44.00%
Dividend %			0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Fair Value of Options on Grant Date (in dollars per share)			$ 87.02				$ 87.02
Aggregate fair value (in millions)
Balance outstanding beginning of period, aggregate fair value			$ 10,780		$ 780	$ 2,370	$ 10,780
Forfeited, aggregate fair value					(50)	(920)	(8,890)
Vested, aggregate fair value					(390)		(470)
Cancelled, aggregate fair value						(670)
Balance outstanding end of period, aggregate fair value	$ 340				$ 340	$ 780	$ 2,370
Expected Term			4 years 9 months				3 years 9 months
Term			4 years				4 years
Employee Stock Option \| Management Incentive Plan 2014 \| Chief Financial Officer
Options
Granted, options (in shares)		280,000
Vested, options (in shares)		(70,000)			(70,000)
Balance outstanding end of period, options (in shares)	210,000				210,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Granted, exercise price (in dollars per share)	$ 4.28	$ 4.28
Expiration		5 years
Risk free interest rate		1.10%
Volatility		61.00%
Dividend %		0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Granted, fair value of options on grant date (in dollars per share)	$ 1.91	$ 1.91
Aggregate fair value (in millions)
Granted, aggregate fair value		$ 530
Vested, aggregate fair value		$ (130)
Balance outstanding end of period, aggregate fair value	$ 400				$ 400
Expected Term		3 years 9 months
Term		4 years
Employee Stock Option \| Management Incentive Plan 2014 \| Vesting Year 1
Aggregate fair value (in millions)
Vesting Year 1			25.00%				25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| Vesting Year 1 \| Chief Financial Officer
Aggregate fair value (in millions)
Vesting Year 1		25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| Vesting Year 2
Aggregate fair value (in millions)
Vesting Year 1			25.00%				25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| Vesting Year 2 \| Chief Financial Officer
Aggregate fair value (in millions)
Vesting Year 1		25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| Vesting Year 3
Aggregate fair value (in millions)
Vesting Year 1			25.00%				25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| Vesting Year 3 \| Chief Financial Officer
Aggregate fair value (in millions)
Vesting Year 1		25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| Vesting Year 4
Aggregate fair value (in millions)
Vesting Year 1			25.00%				25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| Vesting Year 4 \| Chief Financial Officer
Aggregate fair value (in millions)
Vesting Year 1		25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| September 29, 2015, Group 1
Options
Granted, options (in shares)							16,250
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Granted, exercise price (in dollars per share)							$ 117.40
Expiration							5 years
Risk free interest rate							1.09%
Volatility							42.00%
Dividend %							0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Granted, fair value of options on grant date (in dollars per share)							$ 38.38
Aggregate fair value (in millions)
Granted, aggregate fair value							$ 630
Expected Term							3 years 9 months
Term							4 years
Employee Stock Option \| Management Incentive Plan 2014 \| September 29, 2015, Group 1 \| Vesting Year 1
Aggregate fair value (in millions)
Vesting Year 1							25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| September 29, 2015, Group 1 \| Vesting Year 2
Aggregate fair value (in millions)
Vesting Year 1							25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| September 29, 2015, Group 1 \| Vesting Year 3
Aggregate fair value (in millions)
Vesting Year 1							25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| September 29, 2015, Group 1 \| Vesting Year 4
Aggregate fair value (in millions)
Vesting Year 1							25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| September 29, 2015, Group 2
Options
Granted, options (in shares)							16,250
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Granted, exercise price (in dollars per share)							$ 260.00
Expiration							5 years
Risk free interest rate							1.09%
Volatility							42.00%
Dividend %							0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Granted, fair value of options on grant date (in dollars per share)							$ 12.32
Aggregate fair value (in millions)
Granted, aggregate fair value							$ 200
Expected Term							3 years 9 months
Term							4 years
Employee Stock Option \| Management Incentive Plan 2014 \| September 29, 2015, Group 2 \| Vesting Year 1
Aggregate fair value (in millions)
Vesting Year 1							25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| September 29, 2015, Group 2 \| Vesting Year 2
Aggregate fair value (in millions)
Vesting Year 1							25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| September 29, 2015, Group 2 \| Vesting Year 3
Aggregate fair value (in millions)
Vesting Year 1							25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| September 29, 2015, Group 2 \| Vesting Year 4
Aggregate fair value (in millions)
Vesting Year 1							25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| November 15, 2015, Group 1
Options
Granted, options (in shares)							5,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Granted, exercise price (in dollars per share)							$ 78.40
Expiration							5 years
Risk free interest rate							1.37%
Volatility							43.00%
Dividend %							0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Granted, fair value of options on grant date (in dollars per share)							$ 26.49
Aggregate fair value (in millions)
Granted, aggregate fair value							$ 100
Expected Term							3 years 9 months
Term							4 years
Employee Stock Option \| Management Incentive Plan 2014 \| November 15, 2015, Group 1 \| Vesting Year 1
Aggregate fair value (in millions)
Vesting Year 1							25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| November 15, 2015, Group 1 \| Vesting Year 2
Aggregate fair value (in millions)
Vesting Year 1							25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| November 15, 2015, Group 1 \| Vesting Year 3
Aggregate fair value (in millions)
Vesting Year 1							25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| November 15, 2015, Group 1 \| Vesting Year 4
Aggregate fair value (in millions)
Vesting Year 1							25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| November 15, 2015, Group 2
Options
Granted, options (in shares)							5,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Granted, exercise price (in dollars per share)							$ 260.00
Expiration							5 years
Risk free interest rate							1.37%
Volatility							43.00%
Dividend %							0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Granted, fair value of options on grant date (in dollars per share)							$ 4.05
Aggregate fair value (in millions)
Granted, aggregate fair value							$ 20
Expected Term							3 years 9 months
Term							4 years
Employee Stock Option \| Management Incentive Plan 2014 \| November 15, 2015, Group 2 \| Vesting Year 1
Aggregate fair value (in millions)
Vesting Year 1							25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| November 15, 2015, Group 2 \| Vesting Year 2
Aggregate fair value (in millions)
Vesting Year 1							25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| November 15, 2015, Group 2 \| Vesting Year 3
Aggregate fair value (in millions)
Vesting Year 1							25.00%
Employee Stock Option \| Management Incentive Plan 2014 \| November 15, 2015, Group 2 \| Vesting Year 4
Aggregate fair value (in millions)
Vesting Year 1							25.00%
Employee Stock Option \| 2016 Equity Compensation Plan
Options
Balance outstanding beginning of period, options (in shares)					1,656,171
Forfeited, options (in shares)					(3,000)
Vested, options (in shares)					(828,085)
Balance outstanding end of period, options (in shares)	1,180,086				1,180,086	1,656,171
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Exercise Price (in dollars per share)					$ 4.28
Granted, exercise price (in dollars per share)					4.28
Forfeitures exercise price (in dollars per share)					5.56
Exercise Price (in dollars per share)	$ 4.65				4.65	$ 4.28
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Vested, fair value of options on grant date (in dollars per share)					3.12
Forfeitures, fair value of options on grant date (in dollars per share)					2.60
Fair Value of Options on Grant Date (in dollars per share)	$ 2.91				$ 2.91
Aggregate fair value (in millions)
Balance outstanding beginning of period, aggregate fair value					$ 5,170
Forfeited, aggregate fair value					(80)
Vested, aggregate fair value					(2,600)
Balance outstanding end of period, aggregate fair value	$ 3,430				$ 3,430	$ 5,170
Employee Stock Option \| 2016 Equity Compensation Plan \| December 15, 2016, Group 1
Options
Granted, options (in shares)							1,266,476
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Granted, exercise price (in dollars per share)							$ 4.28
Expiration							5 years
Risk free interest rate							1.79%
Volatility							62.00%
Dividend %							0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Granted, fair value of options on grant date (in dollars per share)							$ 3.12
Aggregate fair value (in millions)
Granted, aggregate fair value							$ 3,960
Expected Term						3 years 1 month 24 days
Employee Stock Option \| 2016 Equity Compensation Plan \| December 15, 2016, Group 1 \| Vesting Year 1
Aggregate fair value (in millions)
Vesting Year 1						25.00%
Employee Stock Option \| 2016 Equity Compensation Plan \| December 15, 2016, Group 1 \| Vesting Year 2
Aggregate fair value (in millions)
Vesting Year 1						25.00%
Employee Stock Option \| 2016 Equity Compensation Plan \| December 15, 2016, Group 1 \| Vesting Year 3
Aggregate fair value (in millions)
Vesting Year 1						25.00%
Employee Stock Option \| 2016 Equity Compensation Plan \| December 15, 2016, Group 1 \| Vesting Year 4
Aggregate fair value (in millions)
Vesting Year 1						25.00%
Employee Stock Option \| 2016 Equity Compensation Plan \| December 15, 2016, Group 2
Options
Granted, options (in shares)							389,695
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Granted, exercise price (in dollars per share)							$ 4.28
Expiration							5 years
Risk free interest rate							1.79%
Volatility							62.00%
Dividend %							0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Granted, fair value of options on grant date (in dollars per share)							$ 3.14
Aggregate fair value (in millions)
Granted, aggregate fair value							$ 1,210
Expected Term						3 years 1 month 24 days
Employee Stock Option \| 2016 Equity Compensation Plan \| December 15, 2016, Group 2 \| Vesting Year 1
Aggregate fair value (in millions)
Vesting Year 1						25.00%
Employee Stock Option \| 2016 Equity Compensation Plan \| December 15, 2016, Group 2 \| Vesting Year 2
Aggregate fair value (in millions)
Vesting Year 1						25.00%
Employee Stock Option \| 2016 Equity Compensation Plan \| December 15, 2016, Group 2 \| Vesting Year 3
Aggregate fair value (in millions)
Vesting Year 1						25.00%
Employee Stock Option \| 2016 Equity Compensation Plan \| December 15, 2016, Group 2 \| Vesting Year 4
Aggregate fair value (in millions)
Vesting Year 1						25.00%
Employee Stock Option \| 2016 Equity Compensation Plan \| March 1, 2017
Options
Issued, options (in shares)					337,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Issued, exercise price (in dollars per share)					$ 5.56
Expiration					5 years
Risk free interest rate					1.72%
Volatility					63.50%
Dividend %					0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Issued, fair value of options on grant date (in dollars per share)					$ 2.60
Aggregate fair value (in millions)
Issued, aggregate fair value					$ 900
Expected Term					3 years 9 months
Vesting Year 1					25.00%
Term					4 years
Employee Stock Option \| 2016 Equity Compensation Plan \| June 1, 2017
Options
Issued, options (in shares)					18,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Issued, exercise price (in dollars per share)					$ 4.71
Expiration					5 years
Risk free interest rate					1.56%
Volatility					64.70%
Dividend %					0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Issued, fair value of options on grant date (in dollars per share)					$ 2.23
Aggregate fair value (in millions)
Issued, aggregate fair value					$ 40
Expected Term					3 years 9 months
Vesting Year 1					25.00%
Term					4 years