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Note 18 - Variable Interest Entity (Detail) (Springfield Missouri Lease [Member], USD $)	1 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 02, 2010
Springfield Missouri Lease [Member]
Notes, Loans and Financing Receivable, Gross, Current			$ 4,500,000
Increase (Decrease) in Notes Payable, Current	4,500,000
Land and Land Improvements		$ 4,500,000

An amount representing an agreement for an unconditional promise by the maker to pay the Entity (holder) a definite sum of money at a future date(s) within one year of the balance sheet date or the normal operating cycle, whichever is longer. Such amount may include accrued interest receivable in accordance with the terms of the debt. The debt also may contain provisions including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. This amount does not include amounts related to receivables held-for-sale.

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