Note 14 - Fair Value of Financial Instruments (Details) - Financial Instruments (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012	Dec. 31, 2011
Financial Instruments [Abstract]
Cash and cash equivalents	$ 172	$ 17,823	$ 23,390	$ 24,523
Cash and cash equivalents	172	17,823
Notes receivable, current	7,007	14,120
Notes receivable, current	7,007	14,120
Notes receivable, noncurrent	38,993
Notes receivable, noncurrent	34,591
Line of credit and Loans Payable	35,769	39,478
Line of credit and Loans Payable	$ 35,769	$ 39,478

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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An amount representing an agreement for an unconditional promise by the maker to pay the Company (holder) a definite sum of money within one year from the balance sheet date (or the normal operating cycle, whichever is longer), net of any write-downs taken for collection uncertainty on the part of the holder. Such amount may include accrued interest receivable in accordance with the terms of the debt. The debt also may contain provisions and related items 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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