Note 4. Common Stock Options and Warrants (Detail) - Summary of the Company’s Stock Warrant Activity (USD $)	3 Months Ended
	Mar. 31, 2013
Warrants	6,642,317
Exercisable March 31, 2012	3,364,500
Cancelled/Expired	3,277,817
Exercised (in Dollars)	$ 0
Warrants	3,364,500
Minimum [Member]
Price Range (in Dollars per Item)	0.0202
Exercisable March 31, 2012 (in Dollars per share)	$ 0.03
Cancelled/Expired (in Dollars per share)	$ 0.0202
Exercised (in Dollars)	$ 0
Price Range (in Dollars per Item)	0.03
Maximum [Member]
Price Range (in Dollars per Item)	0.10
Exercisable March 31, 2012 (in Dollars per share)	$ 0.10
Cancelled/Expired (in Dollars per share)	$ 0.10
Price Range (in Dollars per Item)	0.10