2.2.0.7 false Subsequent Events 11801 - Disclosure - Subsequent Events true false false false 1 USD false false Unit12 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Unit13 Standard http://www.xbrl.org/2003/instance pure xbrli 0 Unit14 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Unit1 Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ 2 Subsequent Events 0 prk_SubsequentEventsAbstract prk false na duration Subsequent Events Abstract false false false false false true false false false false false false 1 false false false false 0 0 false false false xbrli:stringItemType string Subsequent Events Abstract false 3 Subsequent Events 1 us-gaap_ScheduleOfSubsequentEventsTextBlock us-gaap true na duration No definition available. false false false false false false false false false false false terselabel false 1 false false false false 0 0 <div> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;" align="left"><font style="display: inline; font-family: Times New Roman; font-size: 10pt;" class="_mt"> </font> <div> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;" align="left"><font style="display: inline; font-family: Times New Roman; font-size: 10pt;" class="_mt">Note 18 – <font style="display: inline; text-decoration: underline;" class="_mt">Subsequent Events</font></font></div> <div style="text-indent: 0pt; display: block;"><br /></div> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;" align="left"><font style="display: inline; font-family: Times New Roman; font-size: 10pt;" class="_mt">Subsequent to September 30, 2010, the holders of Series B Common Share Warrants acquired in connection with the registered direct public offering which closed on October 30, 2009, presented notices of exercise covering an aggregate of 17,700 common shares. As a result of these exercises, Park delivered an aggregate of 17,700 common shares and received net proceeds of approximately $1.2 million (net of selling expenses). <font style="display: inline; font-family: Times New Roman; font-size: 10pt;" class="_mt">The remaining portion of the Series B Common Share Warrants Park issued in October 2009 (covering 62,800 common shares) expired on October 30, 2010.</font></font></div></div></div> </div> Note 18 – Subsequent Events Subsequent to September 30, 2010, the holders of Series B Common Share Warrants acquired in connection with the registered false false false us-types:textBlockItemType textblock Describes disclosed significant events or transactions that occurred after the balance sheet date, but before the issuance of the financial statements. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, losses resulting from fire or flood, losses on receivables, significant realized and unrealized gains and losses that result from changes in quoted market prices of securities, declines in market prices of inventory, changes in authorized or issued debt (SEC), significant foreign exchange rate changes, substantial loans to insiders or affiliates, significant long-term investments, and substantial dividends not in the ordinary course of business. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 11 false 1 2 false UnKnown UnKnown UnKnown false true