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



	Year Ended December 31,
(in thousands, except per share data)	2019			2018 as Restated			2017
Numerators:
Net (loss) and numerator for dilutive (loss) per share - continuing operations	$	(19,706	)	$	(10,784	)	$	(13,682	)

Numerator for dilutive income per share - discontinued operations	—			73,503			8,620

Net income (loss) from all operations	(19,706		)	62,719			(5,062		)
Derivative liability warrants	—			—			(183		)
Numerator for full dilutive (loss) income per share - all	(19,706		)	62,719			(5,245		)

Denominator for dilutive income (loss) per common share - continuing operations	34,069			33,185			31,420

Denominator - discontinued operations:
Weighted average shares used to compute basic (loss)	34,069			33,185			31,420
Effect of dilutive securities:
Stock options	—			1,181			—
Denominator for dilutive income (loss) per common share - discontinued operations	34,069			34,366			31,420

Denominator - all operations:
Weighted average shares used to compute basic income (loss)	34,069			33,185			31,420
Effect of dilutive securities:
Derivative liability warrants	—			—			7
Stock options	—			1,181			—
Denominator for dilutive income (loss) per common share	34,069			34,366			31,427

Loss per share from continuing operations
Basic and diluted	$	(0.58	)	$	(0.32	)	$	(0.44	)

Income per share from discontinued operations
Basic	$	—		$	2.21		$	0.27
Diluted	$	—		$	2.14		$	0.27
Income (loss) per share from all operations
Basic	$	(0.58	)	$	1.89		$	(0.16	)
Diluted	$	(0.58	)	$	1.83		$	(0.17	)

Anti-dilutive instruments excluded from diluted (loss) per common share - continuing operations:
Warrants	—			—			7
Options	3,967			1,181			646

Anti-dilutive instruments excluded from diluted income per common share - discontinued operations:
Warrants	—			—			7



Options	3,967	—	646

Anti-dilutive instruments excluded from diluted income (loss) per common share - all operations:
Options	3,967	—	646