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Software, net
6 Months Ended
Jun. 30, 2021
Capitalized Computer Software, Net [Abstract]  
Software, net Software, net
Software, net consisted of the following:
As of
June 30, 2021December 31, 2020
Software $1,221 $1,197 
Accumulated amortization(1,006)(970)
Software, net$215 $227 
The following reflects amortization of software included within D&A:
Three Months Ended June 30,Six Months Ended June 30,
2021202020212020
Amortization expense$27 $31 $54 $60