Income (Loss) per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Numerator:
Net income from continuing operations	$ 469	$ 290	$ 1,370	$ 785
Net loss from discontinued operations	0	(1,215)	0	(3,619)
Net income (loss)	$ 469	$ (925)	$ 1,370	$ (2,834)
Denominator:
Weighted average common shares outstanding	5,059	5,015	5,043	5,007
Dilutive potential common shares	9		2
Shares used in diluted net loss per common share calculations	5,068	5,015	5,045	5,007
Basic net earnings (loss) per common share
Continuing operations	$ 0.09	$ 0.06	$ 0.27	$ 0.16
Discontinued operations	0	(0.24)	0	(0.72)
Net basic earnings (loss) per share	0.09	(0.18)	0.27	(0.56)
Diluted net earnings (loss) per common share
Continuing operations	0.09	0.06	0.27	0.16
Discontinued operations	0	(0.24)	0	(0.72)
Net diluted earnings (loss) per share	$ 0.09	$ (0.18)	$ 0.27	$ (0.56)