Earnings Per Common Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Numerator:
Net income (loss)	$ (1,935)	$ 989	$ (5,133)	$ (3,337)
Denominator:
Weighted average common shares outstanding	4,970,000	4,904,000	4,949,000	4,878,000
Dilutive potential common shares		60,000
Shares used in diluted net loss per common share calculations	4,970,000	4,964,000	4,949,000	4,878,000
Basic net income (loss) per common share	$ (0.39)	$ 0.20	$ (1.04)	$ (0.68)
Diluted net income (loss) per common share	$ (0.39)	$ 0.20	$ (1.04)	$ (0.68)
Shares excluded from diluted weighted shares outstanding	128,137	456,759	170,759	528,613