Earning (Loss) Per Share (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Computation of basic net income per share:

	Three months ended June 30					Six months ended June 30
	2013			2012		2013		2012
	($’000)			($’000)		($’000)		($’000)
	(Unaudited)			(Unaudited)		(Unaudited)		(Unaudited)
Basic earnings per share:
Net (loss) income attributable to Keyuan Petrochemicals, Inc. stockholders	$	(497	)	$	1,062	$	2,421	$	2,907
Fixed dividends to Series B convertible Preferred stockholders		-			-		-		-
Net (loss) income contributable to Keyuan Petrochemicals Inc. common stockholders	$	(497	)	$	1,062	$	2,421	$	2,907
Weighted average common share (Denominator for basic income per share)		57,646,160			57,646,160		57,646,160		57,646,160
Effect of diluted securities:
-Series A convertible preferred stock		-			-
-Series B convertible preferred stock		-			5,333,340		5,333,340		5,333,340
-Series M convertible preferred stock		-			-		-		-
-Warrants		-			-		-		-
-Options		-			-		-		-
		57,646,160			62,979,500		62,979,500		62,979,500
Basic net loss per share:	$	(0.01	)	$	0.02	$	0.04	$	0.05
Diluted net loss per share:	$	(0.01	)	$	0.02	$	0.04	$	0.05

Summary of warrants and options excluded from the calculation of diluted earnings per share:

	June 30, 2013		June 30, 2012
Warrants		4,396,118		4,396,118
Options		3,490,000		3,490,000