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Note 3 - Variable Interest Entities (Details) - Change in Investment Carrying Amount - Holmdel (USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2013
Change in Investment Carrying Amount - Holmdel [Abstract]
Balance at		$ 13,000,000
Add: Income from investments in unconsolidated entities	414,000	414,000
Less: Cash distribution on investments in unconsolidated entities		(1,625,000)
Balance at	$ 11,789,000	$ 11,789,000

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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