Table:
Years Ended December 31,	Increase (Decrease)

2019	2018	Amount	Percent

Cost of revenue:

Products	$29,816	$34,066	$(4,250)	(12)%

Services	19,065	17,830	1,235	7%

Total cost of revenue	$48,881	$51,896	$(3,015)	(6)%

Please read the table in this image and return a latex-style reconstructed table in text.

\begin{tabular}{|c|c|c|c|c|}
\hline
  & Years Ended December 31, &  & Increase (Decrease) &    \\
\hline
  & 2019 & 2018 & Amount & Percent   \\
\hline
 Cost of revenue: &  &  &  &    \\
\hline
 Products & \$29,816 & \$34,066 & \$(4,250) & (12)\%   \\
\hline
 Services & 19,065 & 17,830 & 1,235 & 7\%   \\
\hline
 Total cost of revenue & \$48,881 & \$51,896 & \$(3,015) & (6)\%   \\
\hline
\end{tabular}