Note 14 - Subsequent Events (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Quarterly Financial Information [Table Text Block]

	Three Months Ended
	March 31, 2012		June 30, 2012			September 30, 2012		December 31, 2012
	(in thousands, except per share amounts)
Historical Consolidated Statements of Operations and Comprehensive Income Data:
Revenue	$	5,496	$	5,546		$	5,419	$	5,491
Gross margin		4,636		4,697			4,520		4,602
Noncash stock-based compensation		20		72			73		74
Total operating expenses		4,592		4,633			4,480		4,829
Income / (loss) from operations		44		64			40		(227	)
Tax benefit		-		-			-		1,559
Net income	$	60	$	72		$	49	$	1,344
Unrealized gain / (loss) on available-for-sale investments		0		(1	)		1		1
Comprehensive income		60		71			50		1,345
Basic net income per common share	$	0.01	$	0.01		$	0.01	$	0.16
Diluted net income per common share	$	0.01	$	0.01		$	0.01	$	0.15
Basic weighted average shares outstanding		8,505		8,520			8,524		8,527
Diluted weighted average shares outstanding		8,802		8,852			8,869		8,864

	Three Months Ended
	March 31, 2011		June 30, 2011		September 30, 2011		December 31, 2011
	(in thousands, except per share amounts)
Historical Consolidated Statements of Operations and Comprehensive Income Data:
Revenue	$	6,143	$	5,846	$	5,630	$	5,544
Gross margin		5,238		4,955		4,741		4,627
Noncash stock-based compensation		63		82		90		77
Total operating expenses		4,856		4,729		4,501		4,575
Income from operations		382		226		240		52
Tax benefit		-		-		-		616
Net income	$	393	$	235	$	248	$	677
Unrealized gain on available-for-sale investments		1		0		0		1
Comprehensive income		394		235		248		678
Basic net income per common share	$	0.05	$	0.03	$	0.03	$	0.08
Diluted net income per common share	$	0.05	$	0.03	$	0.03	$	0.08
Basic weighted average shares outstanding		8,435		8,468		8,477		8,493
Diluted weighted average shares outstanding		8,537		8,558		8,541		8,511