Note 4 - Investments (Detail) - Unaudited Summarized Financial Information for NKD Enterprises, LLC - Operations (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Revenues	$ 1,797	$ 1,864
Operating income (loss)	(48)	6
Net income (loss)	$ (48)	$ 6

The amount of income (loss) from continuing operations before extraordinary items reported by an equity method investment of the entity.

+ References+ Details

The amount of net income (loss) reported by an equity method investment of the entity.

+ References

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