Note 16 - Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2012

Quarterly Financial Information [Text Block]

16.  QUARTERLY FINANCIAL DATA (UNAUDITED)

2012	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Net sales	$	18,177,078	$	16,904,254	$	17,000,728	$	20,638,564
Gross profit		11,365,633		10,940,201		10,404,770		13,195,070
Net income from continuing operations		1,574,105		1,539,639		280,770		2,201,556
Net income		1,574,105		1,539,639		280,770		2,201,556
Net income from continuing operations per common share:
Basic		0.15		0.15		0.03		0.22
Diluted		0.15		0.15		0.03		0.22
Net income per common share:
Basic		0.15		0.15		0.03		0.22
Diluted		0.15		0.15		0.03		0.22
Weighted average number of common shares outstanding:
Basic		10,156,442		10,156,442		10,156,442		10,159,877
Diluted		10,172,950		10,172,171		10,177,466		10,178,759

2011	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Net sales	$	15,879,040	$	15,933,921	$	15,385,421	$	18,904,565
Gross profit		9,524,848		9,845,254		9,238,278		11,728,779
Net income from continuing operations		1,150,576		1,076,356		830,474		1,696,563
Net income		1,150,576		1,076,356		829,106		1,696,563
Net income from continuing operations per common share:
Basic		0.11		0.11		0.08		0.17
Diluted		0.11		0.11		0.08		0.17
Net income per common share:
Basic		0.11		0.11		0.08		0.17
Diluted		0.11		0.11		0.08		0.17
Weighted average number of common shares outstanding:
Basic		10,156,442		10,156,442		10,156,442		10,156,442
Diluted		10,169,701		10,168,098		10,168,326		10,166,658