Earnings Per Common Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Numerator:
Net loss	$ (1,746)	$ (3,658)	$ (3,199)	$ (4,326)
Denominator:
Weighted average common shares outstanding	4,967,000	4,877,000	4,939,000	4,865,000
Shares used in diluted net loss per common share calculations	4,967,000	4,877,000	4,939,000	4,865,000
Basic net loss per common share	$ (0.35)	$ (0.75)	$ (0.65)	$ (0.89)
Diluted net loss per common share	$ (0.35)	$ (0.75)	$ (0.65)	$ (0.89)
Shares excluded from diluted weighted shares outstanding	108,000	450,000	168,000	524,000