Preferred Common Stock And Warrants (Details) (USD $)	Dec. 31, 2012
Common shares authorized	95,000,000
Preferred shares authorized	5,000,000
Number of common stock shares to purchase by warrants outstaning and exercisable	150,000
Warrants start range exercise price	$ 3.00
Warrants end range exercise price	$ 3.80
Warrants weighted average exercise price	$ 3.40
Warrants weighted average contractual life	0.4
Total intrinsic value	$ 0