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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2013
Cash flows from operating activities: |  |  |
Net income | $ 17,453 us-gaap_NetIncomeLoss | $ 17,972 us-gaap_NetIncomeLoss | $ 17,165 us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation | 660 us-gaap_Depreciation | 867 us-gaap_Depreciation | 1,091 us-gaap_Depreciation
Share based compensation | 1,481 us-gaap_ShareBasedCompensation | 1,479 us-gaap_ShareBasedCompensation | 1,943 us-gaap_ShareBasedCompensation
Discontinued project costs | 1,714 pets_DiscontinuedProjectCharge |  |
Deferred income taxes | 157 us-gaap_DeferredIncomeTaxExpenseBenefit | (183)us-gaap_DeferredIncomeTaxExpenseBenefit | (76)us-gaap_DeferredIncomeTaxExpenseBenefit
Bad debt expense | 94 us-gaap_ProvisionForDoubtfulAccounts | 95 us-gaap_ProvisionForDoubtfulAccounts | 56 us-gaap_ProvisionForDoubtfulAccounts
(Increase) decrease in operating assets and increase (decrease) in liabilities: |  |  |
Accounts receivable | (264)us-gaap_IncreaseDecreaseInAccountsReceivable | (417)us-gaap_IncreaseDecreaseInAccountsReceivable | 77 us-gaap_IncreaseDecreaseInAccountsReceivable
Inventories - finished goods | 10,659 us-gaap_IncreaseDecreaseInFinishedGoodsAndWorkInProcessInventories | (4,126)us-gaap_IncreaseDecreaseInFinishedGoodsAndWorkInProcessInventories | (5,384)us-gaap_IncreaseDecreaseInFinishedGoodsAndWorkInProcessInventories
Prepaid income taxes | 54 us-gaap_IncreaseDecreaseInPrepaidTaxes | (54)us-gaap_IncreaseDecreaseInPrepaidTaxes | 199 us-gaap_IncreaseDecreaseInPrepaidTaxes
Prepaid expenses and other current assets | 662 us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets | (1,237)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets | (1,279)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Accounts payable | (616)us-gaap_IncreaseDecreaseInAccountsPayable | (686)us-gaap_IncreaseDecreaseInAccountsPayable | (165)us-gaap_IncreaseDecreaseInAccountsPayable
Accrued expenses and other current liabilities | (61)us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities | (42)us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities | (499)us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities
Income taxes payable | 50 us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable | (162)us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable | 162 us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable
Net cash provided by operating activities | 32,043 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | 13,506 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | 13,290 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Cash flows from investing activities: |  |  |
Net change in investments | (68)us-gaap_PaymentsForProceedsFromInvestments | (84)us-gaap_PaymentsForProceedsFromInvestments | (5,189)us-gaap_PaymentsForProceedsFromInvestments
Purchases of property and equipment | (918)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (45)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (626)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Net cash used in investing activities | (986)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (129)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (5,815)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Cash flows from financing activities: |  |  |
Dividends paid | (13,807)us-gaap_PaymentsOfDividendsCommonStock | (13,326)us-gaap_PaymentsOfDividendsCommonStock | (31,972)us-gaap_PaymentsOfDividendsCommonStock
Purchases of treasury stock |  |  | (3,865)us-gaap_PaymentsForRepurchaseOfCommonStock
Tax adjustment related to stock compensation | 58 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 99 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | (284)us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
Net cash used in financing activities | (13,749)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | (13,227)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | (36,121)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Net increase (decrease) in cash and cash equivalents | 17,308 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | 150 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | (28,646)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents, at beginning of year | 18,305 us-gaap_CashAndCashEquivalentsAtCarryingValue | 18,155 us-gaap_CashAndCashEquivalentsAtCarryingValue | 46,801 us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents, at end of year | 35,613 us-gaap_CashAndCashEquivalentsAtCarryingValue | 18,305 us-gaap_CashAndCashEquivalentsAtCarryingValue | 18,155 us-gaap_CashAndCashEquivalentsAtCarryingValue
Supplemental disclosure of cash flow information: |  |  |
Cash paid for income taxes | 10,026 us-gaap_IncomeTaxesPaid | 10,727 us-gaap_IncomeTaxesPaid | 10,140 us-gaap_IncomeTaxesPaid
Retirement of treasury stock |  |  | 3,865 pets_TreasuryStockRetired
Dividends payable in accrued expenses | $ 212 us-gaap_LiabilitiesAssumed1 | $ 262 us-gaap_LiabilitiesAssumed1 | $ 276 us-gaap_LiabilitiesAssumed1

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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.5) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 5 -Article 5 + Details
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