Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2017

Stock-Based Compensation [Abstract]

Summary of stock-based compensation expense

	Three months ended  June 30,					Six months ended  June 30,
	2017		2016			2017		2016
Product research and development	$	-	$	(3	)	$	-	$	40
Sales and marketing		14		51			28		113
General and administrative		5		8			11		17
Total stock-based compensation expense	$	19	$	56		$	39	$	170

	Remaining unrecognized  expense at June 30, 2017
Stock-based compensation	$	45

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

	Number of Options Outstanding			Weighted Average Exercise Price
Outstanding at January 1, 2017		1,846,000		$	4.39
Granted		-			-
Forfeited		(90,000	)		8.21
Outstanding at June 30, 2017		1,756,000		$	4.20