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Subsequent Events	9 Months Ended
Subsequent Events	Oct. 31, 2018
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On December 11, 2018, the Company's Board of Directors authorized and approved a cash dividend program under which the Company will issue $0.015 per share of cash dividend, payable January 10, 2019 to shareholder of record as of December 27, 2018.