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Note 7 - Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2013

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

	March 31, 2013
	Level 1		Level 2		Level 3

Investment in Global (1)	$	17,368	$	-	$	-

	December 31, 2012
	Level 1		Level 2		Level 3

Investment in Global (1)	$	23,607	$	-	$	-

(1) Global’s ordinary shares are publicly traded on the Alternative Investment Market (“AIM”), a market operated by the London Stock Exchange, with quoted prices in active markets. Accordingly, the fair value measurements of these securities have been classified as Level 1.

- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

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