3. Income (loss) per Common Share

The following table sets forth the computation of basic and diluted net income (loss) per common share:

	2017			2016			2015
	(Dollars In Thousands, Except Per Share Amounts)
Numerator:
Net income (loss):	$	(29,217	)	$	112,168		$	(34,765	)
Adjustments for basic net income (loss) per common share:
Dividend requirements on Series E Redeemable Preferred		(23,443	)		(27,761	)		(2,287	)
Dividends and dividend requirements on Series B Preferred		(240	)		(240	)		(240	)
Dividends and dividend requirements on Series D Preferred		(60	)		(60	)		(60	)
Accretion of Series E Redeemable Preferred		(6,487	)		(18,256	)		(686	)
Net income attributable to participating securities		—			(1,091	)		—
Numerator for basic net income (loss) per common share - net income (loss) attributable to common stockholders		(59,447	)		64,760			(38,038	)
Dividends on convertible preferred stocks assumed to be converted, if dilutive		—			—			300
Numerator for diluted net income (loss) per common share	$	(59,447	)	$	64,760		$	(37,738	)

Denominator:
Denominator for basic and dilutive net income (loss) per common share - adjusted weighted-average shares (1)		27,250,876			25,454,311			22,758,873

Basic net income (loss) per common share:
Loss from continuing operations	$	(2.22	)	$	(5.28	)	$	(2.17	)
Income from discontinued operations, net of taxes		0.04			7.82			0.50
Net income (loss)	$	(2.18	)	$	2.54		$	(1.67	)

Diluted net income (loss) per common share:
Loss from continuing operations	$	(2.22	)	$	(5.28	)	$	(2.17	)
Income from discontinued operations, net of taxes		0.04			7.82			0.50
Net income (loss)	$	(2.18	)	$	2.54		$	(1.67	)

(1)	2017 and 2016 exclude the weighted-average shares of unvested restricted stock that are contingently returnable.

3. Income (loss) per Common Share (continued)

The following weighted-average shares of securities were not included in the computation of diluted net income (loss) per common share as their effect would have been antidilutive:

	2017		2016		2015
Convertible preferred stocks		916,666		916,666		916,666
Restricted stock and stock units		1,187,525		908,568		1,448
Series E redeemable preferred stock - embedded derivative		303,646		412,869		34,998
Stock options		215,067		361,168		898,582
Warrants		—		—		314,808
		2,622,904		2,599,271		2,166,502