Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2012

Company's Intangible Assets and Related Amortization

	As of June 30, 2012				As of December 31, 2011
	Gross				Gross				Weighted-Avg.
	Carrying		Accumulated		Carrying		Accumulated		Amortization
	Amount		Amortization		Amount		Amortization		Period
Customer lists	$	235,000	$	168,000	$	235,000	$	128,000		3 years
Trademarks, patents, and copyrights		2,437,000		1,763,000		2,440,000		1,544,000		4 years
Total	$	2,672,000	$	1,931,000	$	2,675,000	$	1,672,000

Amortization Expense

Amortization expense for the three and six months ended June 30, 2012 and 2011 was as follows: 

	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012		2011
Customer lists	$	20,000	$	20,000	$	40,000	$	39,000
Trademarks, patents, and copyrights		132,000		95,000		219,000		191,000
Total trademarks and intangibles	$	152,000	$	115,000	$	259,000	$	230,000