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CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) | 12 Months Ended
--- | ---
Jan. 31, 2015 | Jan. 31, 2014
Net sales | $ 99,733,744 us-gaap_SalesRevenueGoodsNet | $ 91,384,695 us-gaap_SalesRevenueGoodsNet
Cost of goods sold | 66,021,795 us-gaap_CostOfGoodsSold | 66,551,354 us-gaap_CostOfGoodsSold
Gross profit | 33,711,949 us-gaap_GrossProfit | 24,833,341 us-gaap_GrossProfit
Operating expenses |  |
Selling and shipping | 13,459,880 lake_SellingAndShippingExpense | 11,797,803 lake_SellingAndShippingExpense
General and administrative | 15,294,667 us-gaap_GeneralAndAdministrativeExpense | 13,394,547 us-gaap_GeneralAndAdministrativeExpense
Total operating expense | 28,754,547 us-gaap_OperatingExpenses | 25,192,350 us-gaap_OperatingExpenses
Operating profit (loss) | 4,957,402 us-gaap_OperatingIncomeLoss | (359,009)us-gaap_OperatingIncomeLoss
Foreign exchange loss in Brazil | (124,967)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax | (475,865)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
Other (loss) income, of which $2,295,432 is from early extinguishment of debt | (2,418,890)us-gaap_OtherNonoperatingIncomeExpense | 50,432 us-gaap_OtherNonoperatingIncomeExpense
Interest expense | (2,352,201)us-gaap_InterestExpense | (2,186,450)us-gaap_InterestExpense
Income (loss) before income taxes | 61,344 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | (2,970,892)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Benefit from income taxes | (8,337,360)us-gaap_IncomeTaxExpenseBenefit | (2,851,391)us-gaap_IncomeTaxExpenseBenefit
Net income (loss) | $ 8,398,704 us-gaap_NetIncomeLoss | $ (119,501)us-gaap_NetIncomeLoss
Net income (loss) per common share: |  |
Basic (in dollars per share) | $ 1.35 us-gaap_EarningsPerShareBasic | $ (0.02)us-gaap_EarningsPerShareBasic
Diluted (in dollars per share) | $ 1.33 us-gaap_EarningsPerShareDiluted | $ (0.02)us-gaap_EarningsPerShareDiluted
Weighted average common shares outstanding: |  |
Basic (in shares) | 6,214,303 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 5,689,230 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Diluted (in shares) | 6,325,525 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 5,689,230 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

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