Note 3. Common Stock (Detail)	Mar. 31, 2013	Dec. 31, 2012
Common Stock, Shares Authorized	100,000,000	100,000,000
Common Stock Outstanding or Reserved for Future Issuance	81,934,189
Common Stock, Shares, Outstanding	73,554,897	73,554,897
Common Stock, Capital Shares Reserved for Future Issuance	8,379,292