Stockholders' Equity (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Shareholder Equity [Line Items]
Preferred stock, shares issued (in shares)	883,000	883,000
Preferred stock, shares outstanding (in shares)	883,000	883,000
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred Stock, value	$ 3,532,000	$ 3,532,000
Stock repurchase program, authorized amount	6,000,000
Shares repurchased (in shares)	285,000
Price per share (in dollars per share)	$ 2.51
Total purchase price	716,000
Amount available for future repurchase	5,300,000
Series A Preferred Stock [Member]
Shareholder Equity [Line Items]
Preferred stock, shares issued (in shares)	883,000	883,000
Preferred stock, shares outstanding (in shares)	883,000	883,000
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred Stock, value	$ 3,532,000
Cumulative annual dividend rate (in hundredths)	5.00%
Preferred stock, liquidation preference per share (in dollars per share)	$ 4	$ 4