Stock Option Plan (Detail Textuals) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash received from options exercised	$ 108,000	$ 140,000
Stock Option | Incentive Stock Option Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issuable to members of board of directors and management	238,050
Annual vesting percentage for common stock granted	20.00%
Weighted-average remaining contractual term	10 years
Exercise of stock options (in shares)	7,434	10,400
Cash received from options exercised	108,000	140,000
Total unrecognized compensation cost related to non-vested share-based compensation arrangements granted under the Plan		5,000
Share-based compensation expense recognized	5,000	6,000
Tax benefit related to the share-based compensation expense	$ 2,000	$ 3,000