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Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2012

Accounts Receivable [Abstract]

Summary of Accounts Receivable

Accounts receivable consists of the following (in thousands):

		December 31,
		2012				2011
Commercial		$	38,220			$	42,860
U.S. Government			620				480
			38,840				43,340
Allowance for doubtful accounts			(310	)			(356	)
		$	38,530			$	42,984

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- Definition

Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3,4)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3, 4

-Article 5

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