Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2018

Stock-Based Compensation [Abstract]

Summary of stock-based compensation expense

	Three months ended March 31,
	2018		2017
Sales and marketing	$	8	$	14
General and administrative		4		6
Total stock-based compensation expense	$	12	$	20

	Remaining unrecognized  expense at March 31, 2018
Stock-based compensation	$	-

Summary of the combined activity under all of the stock option plans

	Number of Options Outstanding			Weighted Average Exercise Price
Outstanding at January 1, 2018		1,756,000		$	4.20
Cancelled		(111,111	)		4.02
Expired		(260,000	)		4.15
Outstanding at March 31, 2018		1,384,889		$	4.22