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Shareholders' Equity (Detail Textuals 2) (USD $) | 12 Months Ended
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Mar. 31, 2015
Declaration Date August 03, 2009 |
Stockholders Equity Note [Line Items] |
Dividend declaration date | Aug. 03, 2009
Dividend declared (in dollars per share) | $ 0.10 us-gaap_DividendsPayableAmountPerShare / us-gaap_DividendsAxis = pets_DividendDeclared03August2009Member
Declaration Date August 02, 2010 |
Stockholders Equity Note [Line Items] |
Dividend declaration date | Aug. 02, 2010
Dividend declared (in dollars per share) | $ 0.125 us-gaap_DividendsPayableAmountPerShare / us-gaap_DividendsAxis = pets_DividendDeclared02August2010Member
Declaration Date January 27, 2012 |
Stockholders Equity Note [Line Items] |
Dividend declaration date | Jan. 27, 2012
Dividend declared (in dollars per share) | $ 0.15 us-gaap_DividendsPayableAmountPerShare / us-gaap_DividendsAxis = pets_DividendDeclared27January2012Member
Declaration Date December 3, 2012 |
Stockholders Equity Note [Line Items] |
Dividend declaration date | Dec. 03, 2012
Dividend declared (in dollars per share) | $ 1.00 us-gaap_DividendsPayableAmountPerShare / us-gaap_DividendsAxis = pets_DividendDeclared03December2012Member
Declaration Date July 26, 2013 |
Stockholders Equity Note [Line Items] |
Dividend declaration date | Jul. 26, 2013
Dividend declared (in dollars per share) | $ 0.17 us-gaap_DividendsPayableAmountPerShare / us-gaap_DividendsAxis = pets_DividendDeclared26July2013Member

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- Definition The per share amount of a dividend declared, but not paid, as of the financial reporting date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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- Definition Date the dividend to be paid was declared, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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