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Note 5 - Fair Value of Financial Instruments
9 Months Ended
Sep. 30, 2011
Fair Value, Option [Text Block]
5.
Fair Value of Financial Instruments - The carrying value of cash, marketable securities, accounts receivable, accounts payable and certain other financial instruments (such as short-term borrowings, accrued expenses, and other current liabilities) included in the accompanying consolidated balance sheets approximates their fair value principally due to the short-term maturity of these instruments.  The carrying value of the non-interest bearing note receivable beyond one year approximates its fair value and has been discounted at a rate of 4% which approximates rates offered in the market for notes receivable with similar terms and conditions.

Financial instruments that potentially subject us to concentrations of credit risk consist principally of cash, marketable securities, trade accounts and note receivable.  Our available cash is held in accounts managed by third-party financial institutions.  Cash may exceed the Federal Deposit Insurance Corporation, or FDIC, insurance limits. While we monitor cash balances on a regular basis and adjust the balances as appropriate, these balances could be impacted if the underlying financial institutions fail. To date, we have experienced no loss or lack of access to our cash; however, we can provide no assurances that access to our cash will not be impacted by adverse conditions in the financial markets.