Segment Data (Tables)

12 Months Ended

Dec. 31, 2012

Segment Data [Abstract]

Summary of operational information relative to the company's reportable segments

	2012
	CEW			Video			Total
Product sales	$	109,054,723		$	5,070,600		$	114,125,323
Service revenue		—			627,425			627,425
Net sales		109,054,723			5,698,025			114,752,748
Cost of products sold		39,350,134			3,773,152			43,123,286
Cost of services delivered		—			3,914,887			3,914,887
Gross margin		69,704,589			(1,990,014	)		67,714,575
Sales, General & Administrative		35,575,818			3,510,372			39,086,190
Research & Development		3,938,166			4,201,193			8,139,359
Litigation judgment		(2,200,000	)		—			(2,200,000	)
Loss on write down / disposal of property and equipment, net		160,506			—			160,506
Income (loss) from operations	$	32,230,099		$	(9,701,579	)	$	22,528,520
Purchase of property and equipment	$	922,329		$	411,657		$	1,333,986
Purchase of intangible assets		428,983			—			428,983
Depreciation and amortization		4,327,427			2,191,823			6,519,250

	2011
	CEW		Video			Total
Product sales	$	86,675,067	$	3,001,143		$	89,676,210
Service revenue		—		351,696			351,696
Net sales		86,675,067		3,352,839			90,027,906
Cost of products sold		34,212,839		2,692,729			36,905,568
Cost of services delivered		—		4,846,952			4,846,952
Excess inventory charges		1,749,099		1,997,050			3,746,149
Gross margin		50,713,129		(6,183,892	)		44,529,237
Sales, General & Administrative		34,793,889		3,206,566			38,000,455
Research & Development		5,444,874		4,544,345			9,989,219
Litigation judgment		3,301,243		—			3,301,243
Loss on impairment		1,353,857		—			1,353,857
Loss on write down / disposal of property and equipment, net		643,560		2,156,836			2,800,396
Income (loss) from operations	$	5,175,706	$	(16,091,639	)	$	(10,915,933	)
Purchase of property and equipment	$	1,501,121	$	352,962		$	1,854,083
Purchase of intangible assets		413,466		—			413,466
Depreciation and amortization		5,409,026		2,687,517			8,096,543
	2010
	CEW		Video			Total
Product sales	$	82,390,462	$	4,460,212		$	86,850,674
Service revenue		—		79,345			79,345
Net sales		82,390,462		4,539,557			86,930,019
Cost of products sold		35,018,904		3,396,217			38,415,121
Cost of services delivered		—		3,148,023			3,148,023
Gross margin		47,371,558		(2,004,683	)		45,366,875
Sales, General & Administrative		36,644,150		2,377,414			39,021,564
Research & Development		5,535,815		5,876,074			11,411,889
Loss on write down / disposal of property and equipment, net		73,061		—			73,061
Income (loss) from operations	$	5,118,532	$	(10,258,171	)	$	(5,139,639	)
Purchase of property and equipment	$	3,000,705	$	1,022,986		$	4,023,691
Purchase of intangible assets		478,983		—			478,983
Depreciation and amortization		5,704,286		1,582,629			7,286,915