The income is still taxable for PA purposes since you are resident of PA.
See table on page 4 - http://www.revenue.state.pa.us/revenue/lib/revenue/pitguide_chapter_12.pdf
https://revenue-pa.custhelp.com/cgi-bin/revenue_pa.cfg/php/enduser/std_adp.php?p_faqid=1659&p_created=1084563560&p_sid=c3zT-YZi&p_lva=&p_sp=cF9zcmNoPTEmcF9zb3J0X2J5PWRmbHQmcF9ncmlkc29ydD0mcF9yb3dfY250PTI2NCZwX3Byb2RzPSZwX2NhdHM9MSwwJn BfcHY9JnBfY3Y9MS4xJnBfc2VhcmNoX3R5cGU9YW5zd2Vycy5zZWFyY2hfbmwmcF9wYWdlPTMmcF9zZWFyY2hfdGV4dD1zYWxlIG9mIHByb3BlcnR5IGluIGFub3RoZXIgc3RhdGU*&p_li=&p_topview=1
Enrolled Agent
EA, QPA, CHFC, CEBS, CLU - 30 years experience providing financial advice