Exclude from result if Sum = 0

How to exclude records from the result if (+)LotQty has the same with (-)LotQty but different Transtype.

Example : from this

Docentry  Transtype  LotQty
4594      67          250.000000
4643      60         -250.000000
9253      67          100.000000
16822     60         -200.000000

to this

Docentry  Transtype  LotQty
9253      67         100.000000
16822     60        -200.000000**