Component is extremely usefull specially for financial documents. A few notes i have is that, when negative amounts are sent, the component throws an exception and it could have a few more parameters to make it more generic, like:
- Currency symbol should be an optional field
- There should be a boolen so we could choose in what position related to the number we want the currency symbol to be displayed
- If we want the Absolute value (always positive) or, sending a negative value, what prefix we want on the value (could be open text)

Also the possibility for it to handle decimal places would make it even more useful.