Reverse Stock Split (Details) (USD $)	0 Months Ended		12 Months Ended		0 Months Ended
	Sep. 04, 2012	Aug. 31, 2012	Dec. 31, 2012	Dec. 31, 2011	Jun. 11, 2012 Reverse Stock Split Ratio, 1-for-2	Jun. 11, 2012 Reverse Stock Split Ratio, 1-for-2.5	Jun. 11, 2012 Reverse Stock Split Ratio, 1-for-3	Jun. 11, 2012 Reverse Stock Split Ratio, 1-for-3.5	Jun. 11, 2012 Reverse Stock Split Ratio, 1-for-4	Dec. 31, 2012 Immediately prior to reverse split	Dec. 31, 2012 Immediately after reverse split
Class of Stock [Line Items]
Common stock, par value (in dollars per share)			$ 0.01	$ 0.01						$ 0.01	$ 0.01
Common Stock and Additional Paid-In Capital adjustment to reflect reverse split			$ 114,000
Reverse stock split conversion ratio	0.3333	0.3333			0.5000	0.4000	0.3333	0.2857	0.2500
Aggregate amount paid to stockholders	$ 1,000
Common Stock, shares outstanding			5,706,439	5,692,000