Stockholders' Equity, , Repurchase of Shares (Details) (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Stockholders' Equity [Abstract]
Common stock acquired (in shares)	1,000,000
Percentage of price reduced from closing price of shares reported by NASDAQ (in hundredths)	5.00%
Number of days taken as base for simple moving average	30 days
Formula produced price per share (in dollars per share)	$ 4.114
Exercise price of options (in dollars per share)	$ 2.32
Payments to purchase treasury stock	$ 1,800,000
Price per share of treasury stock acquired (in dollars per share)	$ 1.794
Share repurchase amount	$ 4,114,000	$ 0