Income Taxes (Details Textual) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Income Tax Holiday [Line Items]
Valuation allowance	$ 1,226	$ 3,349
Federal [Member]
Income Tax Holiday [Line Items]
Tax benefit for utilization of fully reserved net operating losses	19,671
Operating Loss Carry forwards Expiration Date1	2023
State and Local Jurisdiction [Member]
Income Tax Holiday [Line Items]
Tax benefit for utilization of fully reserved net operating losses	$ 15,495
Operating Loss Carry forwards Expiration Date1	2023