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Marketable Securities: (Tables)

9 Months Ended

Sep. 30, 2012

Marketable Securities:

Reconciliation of marketable securities

		September 30, 2012			December 31, 2011
Government debt securities, at par value		$	24,359		$	25,147
Less discount			(150	)		(314	)
			24,209			24,833
Unrealized gain			967			1,803
Fair value (Level 1 measurement)		$	25,176		$	26,636

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- Definition

A table of investments, shown as a text block.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 6

-Section 10

-Paragraph (c)

-Subparagraph (1)

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