Stockholders' Equity (Details) (Warrant [Member], USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Summary of status of warrants outstanding and exercisable
Options outstanding, Exercise Price	$ 3.20
Options outstanding, Number of Shares	840,454
Options exercisable, Number of Shares	840,454	840,454
Exercise Price Range [Member]
Summary of status of warrants outstanding and exercisable
Options outstanding, Exercise Price	$ 3.20
Options outstanding, Number of Shares	840,454	840,454
Options outstanding, Average Remaining Contractual Life	5 months 5 days
Options exercisable, Average Exercise Price		$ 3.20
Options exercisable, Average Remaining Contractual Life		1 year 5 months 5 days