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Accounts Receivable (Tables)

9 Months Ended

Sep. 30, 2015

Accounts Receivable [Abstract]

Summary of accounts receivable

		2015				2014
Billed:
SG Block sales		$	163,331			$	172,837
Engineering services			11,930				2,000
Project management			16,310				15,842
Total gross receivables			191,571				190,679
Less: allowance for doubtful accounts			(24,746	)			(24,746	)
Total net receivables		$	166,825			$	165,933

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- References

No definition available.

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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

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