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Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2017

Common Stock Purchased Including Purchase of Common Stock for Tax Withholdings

Common stock purchased in 2017, 2016 and 2015 (excluding the purchase of common stock for tax withholdings) was as follows:



For the Three Months Ended	Shares Purchased	Amount		Shares Purchased	Amount		Shares Purchased	Amount
(dollars in thousands)	2017			2016			2015
March 31,	—	$	—	291,861	$	4,893	27,467	$	465
June 30,	572,550	10,000		65,791	1,078		177,330	3,002
September 30,	—	—		13,884	228		502,942	8,309
December 31,	—	—		16,719	274		189,438	3,196
Total	572,550	$	10,000	388,255	$	6,473	897,177	$	14,972

Schedule of Earnings Per Share, Basic and Diluted

The components of basic and diluted net (loss) income per common share were as follows for the periods stated:



	For the Year Ended December 31,
(in thousands, except for share and per share amounts)	2017			2016		2015
Numerator:
Net (loss) income	$	(15,306	)	$	13,979	$	80,246

Denominator:
Basic and diluted weighted average outstanding shares of common stock	20,210,260			20,586,066		21,471,041
Basic and diluted net (loss) income per common share	$	(0.76	)	$	0.68	$	3.74

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

For the years ended December 31, 2017, 2016 and 2015, the following securities were not included in the calculation of diluted shares outstanding as the effect would have been anti-dilutive:



	For the Year Ended December 31,
	2017	2016	2015
Restricted stock units	90,665	—	—

Activities Under Equity Plan

The following table summarizes the activities under the 2012 Equity Plan from January 1, 2015 through December 31, 2017:



	Activity
Total equity securities available at January 1, 2015	1,747,586
Less: RSU and restricted stock awarded to eligible employees, net of forfeitures	(264,355	)
Total equity securities available at December 31, 2015	1,483,231
Less: RSU and restricted stock awarded to eligible employees, net of forfeitures	(236,292	)
Total equity securities available at December 31, 2016	1,246,939
Less: RSU and restricted stock awarded to eligible employees, net of forfeitures	(106,281	)
Total equity securities available at December 31, 2017	1,140,658

Additional Awards Under 2011 LTIP

The following table details activities with respect to outstanding RSUs and restricted stock for the year ended December 31, 2017 and has been reclassified to conform to current period's presentation which includes restricted stock activity:



	Shares		Weighted- Average Grant Date Fair Value
Unvested at January 1, 2017⁽¹⁾	451,493		$	17.10
Granted	249,435		20.37
Vested	(143,394	)	18.14
Forfeited⁽²⁾	(164,450	)	17.71
Unvested at December 31, 2017⁽¹⁾	393,084		$	18.54

⁽¹⁾Approximately 100,767 RSUs from the 2016 grant are not expected to vest based on the Company's current assessment of the related performance obligations.

⁽²⁾107,616 RSUs did not vest based on the Company's actual performance at December 31, 2017 as compared to the related performance obligations.

Activities Under Equity Plan From Inception

The following table summarizes the activities under the ESPP from January 1, 2017 through December 31, 2017:



	Activity
Total ESPP equity securities available at January 1, 2016	—
Plus: Registration of 2016 ESPP	250,000
Less: common stock purchased by eligible employees	(3,961	)
Total ESPP equity securities available at January 1, 2017	246,039
Less: common stock purchased by eligible employees	(17,760	)
Total ESPP equity securities available at December 31, 2017	228,279

Summary of Stock Based Compensation Expense

The following table reflects stock based compensation expense for the periods stated:



Operating Expense Category	For the Year Ended December 31,
(Dollars in thousands)	2017		2016		2015
Performance-based RSUs	$	1,762	$	413	$	1,498
Time-based RSUs and restricted stock	1,862		418		370
ESPP	64		23		—
Total stock based compensation	$	3,688	$	854	$	1,868