Common Stock Placements (Details) (USD $)	1 Months Ended	12 Months Ended		12 Months Ended	1 Months Ended	12 Months Ended		6 Months Ended		0 Months Ended			6 Months Ended
	Jul. 31, 2012	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2011 Common Stock [Member]	Jul. 31, 2012 Callable Warrants [Member]	Dec. 31, 2012 Callable Warrants [Member]	Dec. 31, 2011 Callable Warrants [Member]	Jun. 30, 2012 First Contingent Warrants [Member]	Dec. 31, 2012 First Contingent Warrants [Member]	Jul. 03, 2012 Second Contingent Warrants [Member]	Jul. 31, 2012 Chairman and CEO [Member] Callable Warrants [Member]	Dec. 31, 2011 Chairman and CEO [Member] Callable Warrants [Member]	Jun. 30, 2012 Chairman and CEO [Member] First Contingent Warrants [Member]
Sale of stocks and warrants [Line Items]
Shares issued (in shares)				3,778,321			1,889,161	1,673,000
Warrants voided (in shares)										1,672,742
Share issue price (in dollars per share)								$ 0.01				$ 1.50
Private placement offering costs				$ 47,733
Net proceeds from private placement				3,730,587
Warrants, term		5 years					5 years
Redemption price of callable warrant (in dollars per share)						$ 0.01
Number of shares to be purchased to receive one warrant (in shares)							2
Number of shares covered under each warrant (in shares)							1
Minimum closing price to exercise callable rights (in dollars per share)							$ 1.75
Number of consecutive trading days, minimum		20 days					15 days
Number of warrants called (in shares)	3,345,000
Proceeds from shares issued	$ 4,900,000
Common stock, shares issued (in shares)	3,289,000	88,423,169	74,306,895
Number of warrants exercised (in shares)									1,609,000		503,332
Number of callable warrants repurchased (in shares)					56,750
Purchase price of warrants repurchased					$ 0.01
Number of warrants vested (in shares)													252,000