Stock-Based Compensation (Schedule of Stock-Based Compensation) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Stock-Based Compensation [Abstract]
Stock-based compensation expense	$ 85	$ 41	$ 262	$ 232
Proceeds from issuance of common stock	50	3	53	3
Unrecognized stock-based compensation expense	$ 132	$ 55	$ 132	$ 55
Weighted average period unrecognized expense is expected to be recognized			7 months 6 days	4 months 24 days