10-Q is due on Jan 14th (45 days after end of quarters 1, 2 and 3).
Annual 10-K is due 90 days after the year-end on May 30, i.e. very late August.
Full list of PTSC filings is at:
http://www.sec.gov/cgi-bin/browse-edgar?CIK=Ptsc&Find=Search&owner=exclude&action=getcompany