Note 4. Common Stock Options and Warrants (Detail) - Summary of the Company's Stock Option Activity (USD $)	6 Months Ended
Jun. 30, 2012
Outstanding December 31, 2011 (in Shares)	3,641,792
Cancelled/Expired (in Shares)	(300,000)
Outstanding June 30, 2012 (in Shares)	3,341,792
Exercisable June 30, 2012 (in Shares)	3,341,792
Minimum [Member]
Outstanding December 31, 2011	0.04
Cancelled/Expired	0.065
Outstanding June 30, 2012	0.04
Exercisable June 30, 2012	0.04
Maximum [Member]
Outstanding December 31, 2011	0.40
Cancelled/Expired	0.125
Outstanding June 30, 2012	0.40
Exercisable June 30, 2012	0.40

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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