Note 3. Common Stock (Detail)	Jun. 30, 2012	Dec. 31, 2011
Common Stock, Shares Authorized	100,000,000	100,000,000
Common Stock Outstanding or Reserved for Future Issuance	88,508,066
Common Stock, Shares, Outstanding	73,554,897	71,559,789
Common Stock, Capital Shares Reserved for Future Issuance	14,953,169