Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share (Tables)

Net Loss Per Share (Tables)

3 Months Ended

Mar. 31, 2018

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table sets forth the reconciliation of the numerator and denominator used in the computation of basic and diluted net loss per common share for the three months ended March 31, 2018 and 2017:

	Three months ended March 31,
(in thousands, except per share amounts)	2018		2017
Numerator:
Net loss used for basic earnings per share	$	(2,605)	$	(3,005)
Less change in fair value of warrant liability		—		(422)
Net loss used for diluted earnings per share	$	(2,605)	$	(3,427)
Denominator:
Basic weighted-average outstanding common shares		21,204		21,199
Effect of dilutive potential common shares resulting from options		—		45
Effect of dilutive potential common shares resulting from warrants		—		132
Weighted-average shares outstanding—diluted		21,204		21,376
Net loss per common share:
Basic	$	(0.12)	$	(0.14)
Diluted	$	(0.12)	$	(0.16)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

These are excluded from the calculation due to their anti-dilutive effect for the three months ended March 31, 2018 and 2017:

	Three months ended March 31,
(in thousands)	2018		2017
Weighted-average anti-dilutive common shares resulting from options		2,991		1,913
Weighted-average anti-dilutive common shares resulting from warrants		2,044		246
		5,035		2,159