Common Shareholders' Equity (Details Textuals 4) (USD $)	12 Months Ended
	Dec. 31, 2013
Employee Stock Option Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Price	$ 8.10
Total intrinsic value of options exercised	$ 63,000
Rights Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of beneficial ownership	25% or more
Number of business days	10 days
Exercise price	32.00
Right entitle to purchase, description	each right would entitle the holder to purchase one one-hundredth of a share of Series A Junior Participating Preferred Stock
Shareholders rights plan, description	exchange two shares of common stock or two one-hundredths of a share of preferred stock for each right