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Shareholders' Equity (Detail Textuals) (USD $)
1 Months Ended
Apr. 30, 1998
Mar. 31, 2015
Mar. 31, 2014
Equity [Abstract]      
Number of preferred shares issued 250,000us-gaap_PreferredStockSharesIssued    
Preferred stock, par value (in dollars per share) $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare
Preferred shares, issued value (in dollars per share) $ 4.00us-gaap_SharesIssuedPricePerShare    
Preferred shares, issuance costs $ 112,187us-gaap_PaymentsOfStockIssuanceCosts    
Number of common stock converted 4.05us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion    
Liquidation value (in dollars per share) $ 4.00us-gaap_PreferredStockLiquidationPreference    
Number of voting right one vote    
Number of shares remained unconverted and outstanding   2,500pets_PreferredStockSharesRemainedUnconvertedAndOutstanding 2,500pets_PreferredStockSharesRemainedUnconvertedAndOutstanding