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Stock-Based Awards (Tables)

12 Months Ended

Dec. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Unrecognized Stock-Based Compensation Expense and Average Remaining Vesting Period

A summary of unrecognized stock-based compensation expense and average remaining vesting period is as follows:

		Unrecognized Stock-Based Compensation				Average Remaining Vesting Period
Employees and directors option awards		$	8				0.07
Employees and directors restricted stock awards		$	20,714				1.79

Summary of Option Activity

A summary of option activity is as follows:

		Options				Weighted- Average Exercise Price
Outstanding January 1, 2014			7,844,691			$	1.29
Granted			—				—
Forfeitures/expirations			—				—
Exercised			(2,514,621	)			0.61
Outstanding at December 31, 2014			5,330,070			$	1.61
Granted			—				—
Forfeitures/expirations			—				—
Exercised			(3,785,473	)			1.19
Outstanding at December 31, 2015			1,544,597			$	2.62
Granted			—				—
Forfeitures/expirations			—				—
Exercised			(176,350	)			1.11
Outstanding at December 31, 2016(1)			1,368,247			$	2.82

⁽¹⁾ Expire on dates ranging from March 4, 2017 to November 15, 2021.

Summary of Information on Stock Options Outstanding

The following table summarizes information on stock options outstanding at December 31, 2016:

		Options Outstanding												Options Exercisable
Range of Exercise Prices		Shares				Weighted- Average Remaining Life (Years)				Weighted- Average Exercise Price				Shares				Weighted- Average Remaining Life (Years)				Weighted- Average Exercise Price
$0.70 – $0.70			435,000				2.1			$	0.70				435,000				2.1			$	0.70
$1.07 – $1.07			93,535				1.0				1.07				93,535				1.0				1.07
$2.09 – $2.26			390,176				2.4				2.20				390,176				2.4				2.20
$5.05 – $5.05			285,000				4.1				5.05				247,500				4.1				5.05
$6.36 – $6.82			74,536				4.4				6.46				74,536				4.4				6.46
$7.01 – $8.51			90,000				4.7				7.48				90,000				4.7				7.48
			1,368,247				2.8			$	2.82				1,330,747				2.8			$	2.76

Summary of Restricted Stock Activity

A summary of restricted stock activity is as follows:

		Shares				Weighted- Average Grant Date Fair Value
Unvested Balance at January 1, 2014			1,896,877			$	7.27
Granted			623,088				16.08
Vested			(996,385	)			6.73
Forfeited			(9,641	)			10.81
Unvested Balance at December 31, 2014			1,513,939			$	11.22
Granted			886,413				19.72
Vested			(753,917	)			10.05
Forfeited			(25,709	)			17.30
Unvested Balance at December 31, 2015			1,620,726			$	16.32
Granted			1,687,553				11.19
Vested			(846,386	)			13.98
Forfeited			(25,439	)			16.17
Unvested Balance at December 31, 2016			2,436,454			$	13.58

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Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value.

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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

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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Schedule Of Unrecognized Stock Based Compensation Expenses And Average Remaining Vesting Period Table [Text Block]

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