Calculation of Basic and Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Numerator:
Net Loss	$ (5,946)	$ (121)	$ (107)	$ (190)	$ (1,710)	$ 296	$ 153	$ 707	$ (6,364)	$ (554)
Denominator:
Denominator for basic earnings per share- weighted-average shares					3,014	3,014	3,014	3,014	3,014	3,014
Dilutive potential common shares
Denominator for diluted earnings per share - weighted-average shares and assumed conversions					3,014	3,394	3,402	3,413	3,014	3,014
Basic and diluted earnings per common share	$ (1.97)	$ (0.04)	$ (0.04)	$ (0.06)					$ (2.11)	$ (0.18)