Net Loss Per Share (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Net Loss Per Share

	For the Three Months Ended September 30,						For the Nine Months Ended September 30,
	2017			2016			2017			2016
	(unaudited, in thousands, except per share amounts)						(unaudited, in thousands, except per share amounts)
Numerator:
Net loss available to    common stockholders	$	(1,670	)	$	(4,632	)	$	(6,501	)	$	(11,618	)
Denominator:
Weighted average shares    outstanding - basic		14,297			12,209			13,221			11,826
Potential common shares -    options / warrants    (treasury stock method)		—			2			1			3
Weighted average shares    outstanding - diluted		14,297			12,211			13,222			11,829
Shares excluded    (anti-dilutive)		—			2			1			3
Shares excluded due to an    exercise price greater than    weighted average    stock price for the period		1,973			2,062			1,869			2,062
Net loss per common share:
Basic	$	(0.12	)	$	(0.38	)	$	(0.49	)	$	(0.98	)
Diluted	$	(0.12	)	$	(0.38	)	$	(0.49	)	$	(0.98	)