Net Loss Per Share (Tables)

6 Months Ended

Jun. 30, 2017

Earnings Per Share [Abstract]

Net Loss Per Share

	For the Three Months Ended June 30,						For the Six Months Ended June 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	$	(2,574	)	$	(3,280	)	$	(4,806	)	$	(6,986	)
Denominator:
Weighted average shares    outstanding - basic		13,179			11,741			12,674			11,632
Potential common shares -    options / warrants    (treasury stock method)		—			—			4			—
Weighted average shares    outstanding - diluted		13,179			11,741			12,678			11,632
Shares excluded (anti-dilutive)		—			—			—			—
Shares excluded due to an exercise    price greater than weighted average    stock price for the period		1,973			368			1,869			368
Net loss per common share:
Basic	$	(0.20	)	$	(0.28	)	$	(0.38	)	$	(0.60	)
Diluted	$	(0.20	)	$	(0.28	)	$	(0.38	)	$	(0.60	)