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INTANGIBLE ASSETS
3 Months Ended
Mar. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
INTANGIBLE ASSETS INTANGIBLE ASSETS
The following table summarizes information relating to the Company's acquired amortizable intangible assets:
As of March 31, 2022
As of December 31, 2021
Gross Carrying AmountAccumulated AmortizationNet Carrying AmountGross Carrying AmountAccumulated AmortizationNet Carrying AmountEstimated Useful Lives
Customer relationships
$6,113,669 $(4,142,528)$1,971,141 $6,113,669 $(4,020,282)$2,093,387 
3 to 18 years
Trade names
1,081,083 (1,012,129)68,954 1,081,083 (988,563)92,520 
2 to 10 years
Other amortizable intangibles
58,580 (43,647)14,933 58,398 (42,304)16,094 
1 to 15 years
$7,253,332 $(5,198,304)$2,055,028 $7,253,150 $(5,051,149)$2,202,001 
Amortization expense for the three months ended March 31, 2022 and 2021 aggregated $147,155 and $165,114, respectively.