Segment and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2012

Segment and Geographic Information [Abstract]

Financial information for two reportable segments

The table below presents the financial information for our two reportable segments.  Revenues include our professional and consumer product revenues, service revenues, royalty revenues, and other revenues.  Cost of revenues and royalties include the material, manufacturing, service, and quality control expenses related to our professional and consumer product and service revenues and the cost of royalties related to our royalty revenues.  Operating expenses include selling and marketing expenses, research and development expenses, and general and administrative expenses.

	For the year ended December 31,
	2012
	Professional			Consumer				Total
Revenues		$	77,487,353		$	3,085,882			$	80,573,235
Cost of revenues and royalties			31,313,699			6,580,752				37,894,451
Gross profit (loss)			46,173,654			(3,494,870	)			42,678,784
Operating expenses			45,367,516			3,302,673				48,670,189
Income (loss) from operations		$	806,138		$	(6,797,543	)		$	(5,991,405	)

	For the year ended December 31,
	2011
	Professional		Consumer			Total
Revenues	$	99,882,758	$	3,554,110		$	103,436,868
Cost of revenues and royalties		39,436,166		3,267,165			42,703,331
Gross profit		60,446,592		286,945			60,733,537
Operating expenses		46,402,221		3,593,634			49,995,855
Income (loss) from operations	$	14,044,371	$	(3,306,689	)	$	10,737,682

	For the year ended December 31,
	2010
	Professional			Consumer			Total
Revenues	$	63,720,885		$	-		$	63,720,885
Cost of revenues and royalties		22,755,797			135,737			22,891,534
Gross profit (loss)		40,965,088			(135,737	)		40,829,351
Operating expenses		42,261,837			7,759,099			50,020,936
Loss from operations	$	(1,296,749	)	$	(7,894,836	)	$	(9,191,585	)

Total revenues and long-lived assets by geographical areas

The following table presents total revenues and long-lived assets for the years ended December 31, 2012, 2011, and 2010.

(in thousands)	2012				2011					2010
	Total Revenues		Long-lived Assets			Total Revenues		Long-lived Assets		Total Revenues		Long-lived Assets
United States	$	43,696	$	35,760		$	73,466	$	36,549	$	36,654	$	37,086
Europe		13,758		81			9,434		107		9,899		-
Canada		6,654		-			5,010		-		5,317		-
Middle East		3,845		-			3,767		-		2,108		-
Asia / Pacific Rim		2,813		-			3,302		-		1,746		-
South and Central America		2,958		-			3,260		-		3,288		-
Australia		3,469		-			3,022		-		2,839		-
Japan		3,380		44			2,176		57		1,870		79
Total	$	80,573	$	35,885		$	103,437	$	36,713	$	63,721	$	37,165