Stockholder equity Warrants for the quarter ended June 30, 2012 (Details)	6 Months Ended
	Jun. 30, 2012
Number of Warrants
Outstanding, beginning of year	20,413,430
Issued	290,000
Exercised	0
Expired	(750,000)
Outstanding, end of period	19,953,430
Weighted Average Exercise Price
Outstanding, beginning of year	0.19
Issued	0.12
Exercised	0
Expired	0.10
Outstanding, end of period	0.195