Note 3 - Fair Value of Financial Instruments (Detail) (USD $)	3 Months Ended	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Fair Value of Option to Purchase an Interest in Related Party	$ 0		$ 0		$ 12,362
Fair Value Assets Related Party Measured on Recurring Basis Gain Loss Included in Other Income	$ (1,145)	$ 8,143	$ (12,362)	$ (9,293)

This item represents the amount of the total realized and unrealized gains or losses for the period which are included in the statement of income (or changes in net assets) in other income; the fair value of which assets (related to affliated companies) was or is measured on a recurring basis using significant unobservable inputs (Level 3).

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration