Financial Statements as Filed with the SEC
FORMS |
DOWNLOADS
|
Q1 2013 |
|
| 10-Q | Quarterly Report |
| XBRL | ptix-20130331 |
Q4 2012 |
|
| 10-K | Annual Report |
| XBRL | ptix-20121231 |
Q3 2012 |
|
| 10-Q | Quarterly Report |
| XBRL | ptix-20120930 |
Q2 2012 |
|
| 10-Q | Quarterly Report |
| XBRL | ptix-20120630 |
Q1 2012 |
|
| 10-Q | Quarterly Report |
| XBRL | ptix-20120331 |
Q4 2011 |
|
| 10-K | Annual Report |
| XBRL | ptix-20111231 |
Q3 2011 |
|
| 10-Q | Quarterly Report |
| XBRL | ptix-20110930 |
Q2 2011 |
|
| 10-Q | Quarterly Report |
| XBRL | ptix-20110630 |
