Share-Based Compensation Award Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award
Exercised (options)		3,300	50,000	57,300
Exercised (weighted averaged exercise price)		$ 0.65	$ 0.45	$ 0.51
Options vested in period			744,321
Aggregate fair value of options vested in period			$ 260
Share-based compensation expense	$ 200	$ 100	400	$ 500
Reversal of previously recorded share-based compensation	30
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award
Unrecognized compensation cost related to stock options	$ 400		$ 400
Weighted average period for recognition of compensation cost			1 year 245 days