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Note 15 - Interest Rate Fluctuations (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012
Long-term Debt, Gross (in Dollars)	$ 1.5
Potential Impact on Pretax Earnings and Cash Flows	a one-percentage point increase in interest rates would negatively impact pre-tax earnings and cash flows for the six months ended June 30, 2012 by approximately $7,200.

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer.

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