Warrants (Details) - Warrant Activity (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Warrant Activity [Abstract]
Warrants Outstanding, Shares	1,139,535	923,090	929,914
Warrants Outstanding,Weighted Average Exercise Price	$ 1.68	$ 7.77	$ 15.13
Warrants Outstanding, Range of Exercise Price	$1.25 - $10.40	$2.09 - $48.90	$2.80 - $169.47
Warrants exercisable at December 31, 2013	1,119,535
Warrants exercisable at December 31, 2013	$ 1.67
Warrants exercisable at December 31, 2013	$1.25 - $10.40
Warrants issued, Shares	993,600	50,000
Warrants issued, Weighted Average Exercise Price	$ 1.25	$ 2.26
Warrants issued, Range of Exercise Prices	$1.25	$2.09 - $3.80
Warrants cancelled	(128,333)
Warrants cancelled	$ 7.92
Warrants cancelled	$7.92
Warrants expired, Shares	(648,822)	(56,824)
Warrants expired, Weighted Average Exercise Price	$ 8.40	$ 123.37
Warrants expired, Range of Exercise Prices	$7.92 - $48.90	$75.00- $169.47