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2. SUMMARY OF ACCOUNTING POLICIES (Details - Investment in Joint Ventures) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Equity Method Investments and Joint Ventures [Abstract]
Balance as of December 31, 2012	$ 28,598
Acquisition of a controlling interest in a joint venture	(648)
Purchase of a 40% interest in a new joint venture	1,000
Equity contributions in existing joint ventures	1,009
Equity earnings in these joint ventures	6,194	6,476	5,224
Distribution of earnings	(7,204)	(6,477)	(4,993)
Balance as of September 30, 2013	$ 28,949	$ 28,598

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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