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Common Stock (Tables)

12 Months Ended

Dec. 31, 2016

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

Schedule of reconciliation of changes in common shares issued

A reconciliation of the changes in common shares issued is as follows:

	Year ended December 31,
	2016			2015
Shares issued at the beginning of the year	56,220,214			54,633,726
Issued in sale of common stock	2,450,339			—
Issued in acquisitions	247,764			60,024
Issued in payment of accrued liability	20,000			—
Issued as restricted stock award grants	632,240			758,904
Issued upon exercise of stock options	114,112			767,560
Shares issued at the end of the year	59,684,669			56,220,214

Schedule of stock option activity

Stock option activity for the year ended December 31, 2016 is as follows:

Options		Shares			Weighted-Average Exercise Price				Weighted-Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value
Outstanding as of January 1, 2016		777,400			$	7.80
Exercised		(114,112	)		1.62
Forfeited		—			—
Expired		—			—
Outstanding as of December 31, 2016		663,288			$	8.87			0.42		$	348,067
Vested or expected to vest at
December 31, 2016		663,288			$	8.87			0.42		$	348,067
Options exercisable as of
December 31, 2016		663,288			$	8.87			0.42		$	348,067

Schedule of restricted stock activity

Restricted stock share activity for the year ended December 31, 2016 is as follows:

Restricted Stock Shares		Shares			Weighted- Average Fair Value at Date of Grant
Non-vested at January 1, 2016		899,216			$	18.21
Granted to employees		246,191			11.92
Granted to service provider		20,000			11.21
RSAs converted from 2015 restricted stock units		386,049			21.96
Vested		(772,267	)		19.93
Forfeited		(95,947	)		18.22
Non-vested at December 31, 2016		683,242			$	15.92

Schedule of restricted stock unit activity

Restricted stock unit share activity for the year ended December 31, 2016 is as follows:

Restricted Stock Unit Shares		Shares			Weighted- Average Fair Value at Date of Grant
RSU share equivalents at January 1, 2016		386,049			$	21.96
2015 RSUs converted to RSAs in 2016		(386,049	)		21.96
Share equivalents granted in 2016		768,393			12.02
RSU share equivalents at December 31, 2016		768,393			$	12.02

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

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