12. Earnings Per Share (Details) - Schedule of Restricted Stock and Restricted Stock Units - shares shares in Thousands	Jul. 31, 2016	Jan. 31, 2016
12. Earnings Per Share (Details) - Schedule of Restricted Stock and Restricted Stock Units [Line Items]
Number of Shares Outstanding	46	38
Restricted Stock [Member]
12. Earnings Per Share (Details) - Schedule of Restricted Stock and Restricted Stock Units [Line Items]
Number of Shares Outstanding	26	25
Restricted Stock Units (RSUs) [Member]
12. Earnings Per Share (Details) - Schedule of Restricted Stock and Restricted Stock Units [Line Items]
Number of Shares Outstanding	20	13