Note 4. Common Stock Options and Warrants (Detail) - Summary of the Company's Stock Option Activity (USD $)	3 Months Ended
Mar. 31, 2013	Mar. 31, 2013 Minimum [Member]	Mar. 31, 2013 Maximum [Member]	Dec. 31, 2012 Maximum [Member]
Options (in Shares)	1,852,792
Price Range		$ 0.040	$ 0.125	$ 0.125
Exercisable March 31, 2013 (in Shares)	1,752,792
Exercisable March 31, 2013		$ 0.040	$ 0.125
Granted (in Shares)	0
Granted		$ 0
Cancelled/Expired (in Shares)	100,000
Exercised (in Shares)	0
Exercised		$ 0
Options (in Shares)	1,752,792
Price Range		$ 0.040	$ 0.125	$ 0.125

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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