Subsequent Events (Details) (USD $)	0 Months Ended
	May 15, 2012	May 16, 2012	May 06, 2014 Subsequent event	Apr. 29, 2014 Subsequent event AEI Spanish Taxing Authorities	May 06, 2014 Subsequent event Minimum	May 06, 2014 Subsequent event Maximum	May 06, 2014 Subsequent event Warrant one	May 06, 2014 Subsequent event Warrant two
Subsequent Events
Number of warrants issued to purchase shares of common stock	1	1					250,000	125,000
Exercisable term of warrants	2 years	2 years			75 days	1 year
Exercise price of warrants (in dollars per share)	$ 0.50	$ 0.50	$ 0.55
Period of average closing price of common stock preceding the issuance			10 days
Fair value of warrants issued			$ 116,000
Amount paid towards the outstanding tax assessment				$ 420,000