Share-Based Compensation Award Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award
Exercised (options)		16,500	50,000	54,000
Exercised (weighted averaged exercise price)		$ 0.65	$ 0.45	$ 0.51
Options vested in period			94,941
Aggregate fair value of options vested in period			$ 40
Share-based compensation expense	$ 100	$ 300	200	$ 400
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award
Unrecognized compensation cost related to stock options	$ 500		$ 500
Weighted average period for recognition of compensation cost			1 year 321 days