Selected Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2013

Selected Quarterly Financial Information [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

The following are selected quarterly financial data for the years ended December 31, 2013 and 2012:

	Quarter Ended (000’s Except Share Amounts)
	March 31, 2013		June 30, 2013		September 30, 2013		December 31, 2013
Revenues	$	6,432	$	6,899	$	7,055	$	6,484
Gross profit		3,487		4,079		4,176		3,652
Income from operations		1,202		1,732		1,739		1,033
Net income and comprehensive income		822		1,063		1,052		868
Basic net income per share		0.16		0.20		0.20		0.16
Diluted net income per share		0.16		0.20		0.20		0.16

	Quarter Ended (000’s Except Share Amounts)
	March 31, 2012		June 30, 2012		September 30, 2012		December 31, 2012
Revenues	$	6,244	$	6,862	$	6,460	$	5,658
Gross profit		3,665		4,103		3,718		2,766
Income from operations		1,377		1,664		1,431		464
Net income and comprehensive income		827		1,001		879		273
Basic net income per share		0.16		0.19		0.17		0.05
Diluted net income per share		0.16		0.19		0.17		0.05