Common Stock (Details Textual) (USD $)	1 Months Ended	12 Months Ended
	Jan. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Common Stock [Line Items]
Common Stock, Shares, Outstanding		19,132,972
Common stock, par value (in dollars per share)		$ 0.01	$ 0.01			$ 0.01
Share Price				$ 12.30
Beneficial Ownership Maximum Percentage						23.00%
Common Stock Privately Purchased	350,000
Common Stock Purchase Price				$ 4,305,000
Purchase Price Percentage					1.00%
Liquidated Damages Amount					2,400,000
Shareholders Indemnification Amount					25,000
Stock Repurchased During Period, Shares		67,000	180,000	125,000
Stock Repurchased During Period, Value		1,747,000	3,433,000	1,414,000
Stock Repurchase Available Amount		4,311,000
Shares Sold In Private Placement						2,857,143
Securities Purchasement Agreement Purchase Price						$ 20,000,000
Equity Compensation Award [Member]
Common Stock [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance		813,331
Two Thousand and Eleven Plan [Member]
Common Stock [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance		1,060,505
Sagard [Member]
Common Stock [Line Items]
Share Price						$ 7.00
Common Stock Purchased In Open Market			173,353	101,478
Common Stock Privately Purchased				350,000
Common Stock Beneficial Ownership Number		3,512,274
Common Stock Beneficial Ownership Percentage		18.40%