Stock-Based Compensation (Stock Option Activities) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Number of shares
Beginning Balance	228,000	253,000
Options granted	0	25,000
Options exercised	0	0
Options expired	0	(50,000)
Ending Balance	228,000	228,000	253,000
Weighted Average Exercise Price per Share
Beginning Balance	$ 2.92	$ 3.08
Options granted	$ 0	$ 2.06
Options exercised	$ 0	$ 0.00
Options expired	$ 0	$ 3.18
Ending Balance	$ 2.92	$ 2.92	$ 3.08
Weighted Average Fair Value at Grant Date
Options granted		$ 13,500
Weighted Average Remaining Contractual Life
Options granted		3 years 4 months 24 days
Weighted Average Remaining Contractual Life	2 years	2 years	1 year 7 months 6 days
Intrinsic Value
Beginning Balance	$ 0	$ 0
Options granted	0	0
Options exercised	0	0
Options expired	0	0
Ending Balance	$ 0	$ 0	$ 0