Net Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Net Loss Per Share

	Year Ended December 31,
	2018			2017
	(in thousands, except per share amounts)
Numerator:
Net loss	$	(2,740	)	$	(6,661	)
Dividends paid to preferred stockholders		(404	)		—
Net loss available to common stockholders	$	(3,144	)	$	(6,661	)
Denominator:
Weighted average shares outstanding - basic		22,322			13,489
Potential common shares - options (treasury    stock method)		—			—
Weighted average shares outstanding - diluted		22,322			13,489
Shares excluded due to an exercise price greater than    weighted average stock price for the period		1,081			1,839
Net loss per common share:
Basic	$	(0.14	)	$	(0.49	)
Diluted	$	(0.14	)	$	(0.49	)