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Note 12 - Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2014

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

						Quarter ended
2014		March 31,				June 30,				September 30,				December 31,
Revenue		$	21,883,517			$	(23,751,623	)		$	21,487,677			$	20,067,439
Gross Profit (loss)			4,491,132				(42,963,154	)			4,471,304				4,276,019
Net Income (loss)			1,728,869				(29,691,951	)			1,036,548				1,717,259
Earning per share (loss)
Basic			0.21				(3.50	)			0.20				0.20
Diluted			0.20				(3.50	)			0.20				0.20

2013
Revenue		$	19,927,433			$	21,110,452			$	20,664,645			$	21,285,992
Gross Profit			4,440,570				4,236,247				4,476,127				5,280,303
Net Income			1,671,276				1,784,274				1,911,100				2,370,244
Earning per share
Basic			0.20				0.21				0.23				0.28
Diluted			0.20				0.21				0.23				0.28

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- Definition

Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 270

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (a)-(j)

-URI http://asc.fasb.org/extlink&oid=35737889&loc=d3e1280-108306

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