Selected Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2011

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Information [Text Block]

11. Selected Quarterly Financial Data (Unaudited)

The following are selected quarterly financial data for the years ended December 31, 2011 and 2010:

	Quarter Ended (000’s Except per Share Amounts)
	March 31, 2011		June 30, 2011		September 30, 2011		December 31, 2011
Revenues	$	6,000	$	6,228	$	6,315	$	5,547
Gross profit		3,617		3,739		3,944		3,173
Income from operations		1,490		1,758		1,808		746
Net income		858		1,093		1,099		438
Basic net income per share		0.16		0.21		0.21		0.08
Diluted net income per share		0.16		0.21		0.21		0.08

	Quarter Ended (000’s Except per Share Amounts)
	March 31, 2010		June 30, 2010		September 30, 2010		December 31, 2010
Revenues	$	4,464	$	5,422	$	5,106	$	5,117
Gross profit		2,554		3,380		3,026		3,082
Income from operations		836		1,564		1,336		678
Net income		506		873		817		419
Basic net income per share		0.09		0.17		0.16		0.08
Diluted net income per share		0.09		0.17		0.16		0.08