Intangible Assets, Net

6 Months Ended

Jun. 30, 2017

4.	Intangible Assets, Net

Intangible assets, net consisted of the following at June 30, 2017 and December 31, 2016:

	June 30,							December 31,
	2017							2016
	(unaudited)
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount

Patents	$	50,000	$	(20,000	)	$	30,000	$	50,000	$	(18,750	)	$	31,250
Trade names, trademarks
product names, URLs		1,555,000		(457,729	)		1,097,271		1,555,000		(329,979	)		1,225,021
Internally developed software		2,720,000		(1,699,362	)		1,020,638		2,720,000		(1,498,029	)		1,221,971
Subscriber/customer relationships		4,219,000		(1,780,341	)		2,438,659		4,219,000		(1,338,799	)		2,880,201
Lead pool		282,000		(105,750	)		176,250		282,000		(35,250	)		246,750
Total intangible assets	$	8,826,000	$	(4,063,182	)	$	4,762,818	$	8,826,000	$	(3,220,807	)	$	5,605,193

Amortization expense for the three and six months ended June 30, 2017 was $421,188 and $842,375, respectively, as compared to $137,770 and $275,546, respectively, for the three and six months ended June 30, 2016. The estimated aggregate amortization expense for each of the next five years and thereafter will be $841,122 in 2017, $1,599,719 in 2018, $1,087,333 in 2019, $592,681 in 2020, $444,167 in 2021 and $197,796 thereafter.