The following table provides the computation of basic and diluted earnings per share.



	Year Ended December 31,
(in thousands, except per share data)	2018			2017				2016
Numerators:
Net (loss) from continuing operations	$	(9,494	)	$	(13,682	)		$	(11,550	)
Effective of dilutive securities - Derivative liability - warrants	—			—				(64		)
Numerator for dilutive (loss) per share - continuing operations	(9,494		)	(13,682		)		(11,614		)

Net income from discontinued operations, net of tax	73,503			8,620				7,600
Effect of dilutive securities - Derivative liability warrants	—			—				(64		)
Numerator for dilutive income per share - discontinued operations	73,503			8,620				7,536

Net income (loss) from all operations	64,009			(5,062		)		(3,950		)
Derivative liability warrants	—			(183		)		(64		)
Numerator for full dilutive (loss) income per share - all	64,009			(5,245		)		(4,014		)

Denominator - continuing operations:
Weighted average shares used to compute basic (loss)	33,185			31,420				27,433
Effect of dilutive securities:
Derivative liability warrants	—			—				16
Denominator for dilutive income (loss) per common share - continuing operations	33,185			31,420				27,449

Denominator - discontinued operations:
Weighted average shares used to compute basic (loss)	33,185			31,420				27,433
Effect of dilutive securities:
Derivative liability warrants	—			—			—	16
Stock options	1,181			—				—
Denominator for dilutive income (loss) per common share - discontinued operations	34,366			31,420				27,449

Denominator - all operations:
Weighted average shares used to compute basic income (loss)	33,185			31,420				27,433
Effect of dilutive securities:
Derivative liability warrants	—			7				16
Stock options	1,181			—				—
Denominator for dilutive income (loss) per common share	34,366			31,427				27,449

Loss per share from continuing operations
Basic and diluted	$	(0.29	)	$	(0.44	)		$	(0.42	)

Income per share from discontinued operations
Basic	$	2.21		$	0.27			$	0.28
Diluted	$	2.14		$	0.27			$	0.28
Income (loss) per share from all operations
Basic	$	1.93		$	(0.16	)		$	(0.14	)



Diluted	$	1.86	$	(0.17	)	$	(0.15	)

Anti-dilutive instruments excluded from diluted (loss) per common share - continuing operations:
Warrants	—		7			—
Preferred stock	—		—			1,951
Options	1,181		646			580

Anti-dilutive instruments excluded from diluted income per common share - discontinued operations:
Warrants	—		7			—
Preferred stock	—		—			1,951
Options	—		646			580

Anti-dilutive instruments excluded from diluted income (loss) per common share - all operations:
Preferred stock	—		—			1,951
Options	—		646			580