Income Taxes (Details Textual) (USD $)											12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2013 Gross [Member]	Dec. 31, 2012 Gross [Member]	Dec. 31, 2013 Impacting Effective Tax Rate [Member]	Dec. 31, 2012 Impacting Effective Tax Rate [Member]	Dec. 31, 2013 State and Local Jurisdiction [Member]	Dec. 31, 2012 State and Local Jurisdiction [Member]	Dec. 31, 2013 State and Local Jurisdiction [Member] Maximum [Member]	Dec. 31, 2013 State and Local Jurisdiction [Member] Minimum [Member]	Dec. 31, 2013 Domestic Tax Authority [Member]	Dec. 31, 2012 Domestic Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Undistributed earnings included in retained earnings	$ 3,400,000	$ 1,800,000
Net operating loss carry forward									3,600,000	6,300,000			6,700,000	19,100,000
Expiration period											2030	2014
Federal operating losses prior years taxable income													1,900,000	15,600,000
Unrecognized tax benefit	1,142,000	1,744,000	1,813,000	1,607,000	1,100,000	1,700,000	800,000	1,100,000
Income tax interest and penalties (less than $0.1 million for 2012)													200,000	(100,000)
Unrecognized tax benefits reasonably possible change in amount	$ 800,000