Income Taxes (Details Textual)	3 Months Ended				3 Months Ended
	Apr. 30, 2015 USD ($)	Apr. 30, 2014 USD ($)		Jan. 31, 2015 USD ($)	Apr. 30, 2015 Brazil [Member] USD ($)	Apr. 30, 2015 Brazil [Member] BRL	Apr. 30, 2015 Federal State And Foreign Income Taxes [Member] USD ($)	Apr. 30, 2014 Federal State And Foreign Income Taxes [Member] USD ($)	Apr. 30, 2015 Weifang Lakeland Safety Products Co., Ltd. [Member] USD ($)	Apr. 30, 2015 Weifang Meiyang Protective Products Co., Ltd [Member] USD ($)
Income Taxes [Line Items]
Income Tax Examination, Tax Expense					$ 100,000	280,416
Undistributed Earnings of Foreign Subsidiaries	23,600,000			21,600,000
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries	3,400,000
Estimated Dividends, Amount										1,000,000
Estimated Dividends, Percentage										33.00%
Dividends									1,300,000	450,000
Provision (Benefit) For Income Taxes	892,000	23,000	[1]				0	800,000
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	2,945,884	2,945,884			2,900,000
Effective Income Tax Rate Reconciliation, Deduction, Other, Amount					9,500,000
Effective Income Tax Rate Reconciliation, Deduction, Goodwill and Amortization					$ 900,000	2,774,843

[1] Restated for discontinued operations.