Note 13. Unaudited Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Quarterly Financial Information [Table Text Block]

	2012
(in $000's except per share data)	First		Second			Third			Fourth
Net sales	$	12,343	$	12,843		$	11,727		$	14,205
Gross margin	$	2,185	$	2,302		$	2,049		$	2,432
Net earnings (loss)	$	202	$	(126	)	$	(235	)	$	323
Basic net earnings (loss) per share	$	0.02	$	(0.01	)	$	(0.02	)	$	0.03
Diluted net earnings (loss) per share	$	0.02	$	(0.01	)	$	(0.02	)	$	0.03

	2011
(in $000's except per share data)	First			Second		Third			Fourth
Net sales	$	10,807		$	13,150	$	9,759		$	9,178
Gross margin	$	1,917		$	2,684	$	1,759		$	1,631
Net earnings	$	(240	)	$	600	$	(152	)	$	(180	)
Basic net earnings per share	$	(0.02	)	$	0.05	$	(0.01	)	$	(0.02	)
Diluted net earnings per share	$	(0.02	)	$	0.05	$	(0.01	)	$	(0.02	)