Long term debt (Details Narrative) (USD $)	0 Months Ended			12 Months Ended				0 Months Ended									0 Months Ended
	May 24, 2013	Feb. 28, 2013	Feb. 05, 2013	Dec. 31, 2012	Jun. 30, 2013	Mar. 01, 2012	Dec. 31, 2011	Feb. 28, 2013 Notes Payable Principal Owner Green Shoe Investments, Ltd.	Jun. 30, 2013 Notes Payable Principal Owner Green Shoe Investments, Ltd.	Nov. 30, 2012 Notes Payable Principal Owner Green Shoe Investments, Ltd.	Apr. 26, 2011 Notes Payable Principal Owner Green Shoe Investments, Ltd.	Apr. 29, 2009 Notes Payable Principal Owner Green Shoe Investments, Ltd.	Feb. 24, 2009 Notes Payable Principal Owner Green Shoe Investments, Ltd.	Jul. 18, 2008 Notes Payable Principal Owner Green Shoe Investments, Ltd.	May 23, 2008 Notes Payable Principal Owner Green Shoe Investments, Ltd.	May 09, 2008 Notes Payable Principal Owner Green Shoe Investments, Ltd.	Feb. 28, 2013 Notes Payable Principal Owner Little Bay Consulting, SA	Jun. 30, 2013 Notes Payable Principal Owner Little Bay Consulting, SA	Nov. 30, 2012 Notes Payable Principal Owner Little Bay Consulting, SA	Apr. 26, 2011 Notes Payable Principal Owner Little Bay Consulting, SA	Oct. 03, 2008 Notes Payable Principal Owner Little Bay Consulting, SA	Jul. 18, 2008 Notes Payable Principal Owner Little Bay Consulting, SA	Mar. 07, 2008 Notes Payable Principal Owner Little Bay Consulting, SA
Debt principal amount									$ 487,000		$ 550,936	$ 87,000	$ 100,000	$ 50,000	$ 150,000	$ 100,000		$ 520,000		$ 595,423	$ 200,000	$ 100,000	$ 220,000
Interest rate									5.00%	1.80%	9.90%							5.00%		9.99%
Accrued interest, note								73,611		62,924		63,936					79,555		68,005		75,423
Carry amount of notes								367,309		367,309							396,969		396,969	396,969
Conversion price of notes, per share								$ 1.50		$ 4.00							$ 1.50			$ 4.00
Shares converted into								293,947									317,683
Borrowing Base						9,500,000	4,500,000
Interest Rate					4.00%
Outstanding Balance Line of Credit					12,200,000
Reduction in borrowing base				750,000
Available borrowing capacity					200,000
Proceeds from draws from secured line of credit	$ 1,300,000	$ 2,000,000	$ 8,900,000