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Intangible Assets, Net
 3 Months Ended
Mar. 31, 2024
Intangible Assets, Net [Abstract]  
Intangible Assets, Net

3. Intangible Assets, Net

 

Intangible assets, net consisted of the following at March 31, 2024 and December 31, 2023:

 

  

March 31, 2024

(unaudited)

   December 31, 2023 
   Gross       Net   Gross       Net 
   Carrying   Accumulated   Carrying   Carrying   Accumulated   Carrying 
   Amount   Amortization   Amount   Amount   Amortization   Amount 
Patents  $50,000   $(36,875)  $13,125   $50,000   $(36,250)  $13,750 
Trade names, trademarks product names, URLs   1,022,425    (664,959)   357,466    1,022,425    (644,390)   378,035 
Internally developed software   4,180,005    (2,556,622)   1,623,383    4,180,005    (2,478,408)   1,701,597 
Subscriber/customer relationships   3,553,102    (3,048,182)   504,920    3,553,102    (2,942,007)   611,095 
Total intangible assets  $8,805,532   $(6,306,638)  $2,498,894   $8,805,532   $(6,101,055)  $2,704,477 

 

Amortization expense for the three months ended March 31, 2024 was $205,583, as compared to $205,584 for the three months ended March 31, 2023. The aggregate amortization expense for each of the next five years is estimated to be $616,104 for the remainder of 2024, $568,529 in 2025, $382,133 in 2026, $382,133 in 2027, $382,133 in 2028 and $167,862 in 2029.