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Note 10. Operating Lease (Detail) (USD $)	12 Months Ended
Note 10. Operating Lease (Detail) (USD $)	Jun. 30, 2012 Month [Member]	Jun. 30, 2012 Difference in Straight Line Method and Actual Lease Payments [Member]	Jun. 30, 2012 Secured Debt [Member]	Dec. 31, 2010 Portion at Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2010 Balance [Member]
Restricted Cash and Cash Equivalents			$ 57,315	$ 28,658	$ 57,000
Operating Leases, Rent Expense	15,820
Operating Leases, Income Statement, Sublease Revenue	17,242
Deferred Long-term Liability Charges		$ 27,992

The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.

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