"Non-Maryland" losses and adjustments would be those items not attributable to Maryland; that is, attributable to a different state.
If you only lived in Maryland for two weeks, you might not need to file a Maryland return. Generally, you are required to file a Maryland income tax return if:
You are or were a Maryland resident;
You are required to file a federal income tax return; and
Your Maryland gross income equals or exceeds the level listed at this webpage for your filing status. The filing levels also apply to nonresident taxpayers who are required to file a Maryland return.