Subsequent events Stock Issuances (Details) (USD $)	Aug. 06, 2013
Subsequent events Stock Issuances
Company has received an aggregate amount from the sale of units	$ 325,000
No of shares of common stock issued for sale of units	1,477,273
No of common stock warrants issued for sale of units	147,727
Per unit price of common stock issued for sale of units	$ 0.22
Per unit exercisable price of common stock warrants issued for sale of units	$ 0.22
Company received amount for additional warrants	$ 6,000
No of additional warrants issued	50,000
Per unit exercisable price of additional warrants	$ 0.12