STOCKHOLDERS' EQUITY (Details) - USD ($)			3 Months Ended
	Feb. 18, 2015	Jan. 22, 2015	Apr. 30, 2016	Apr. 30, 2015
Issuance of common stock [Abstract]
Net proceeds from stock issued			$ 0	$ 8,365,000
Dividends Declaration Date One [Member]
Dividends [Abstract]
Declaration date			Apr. 12, 2016
Record date			Apr. 26, 2016
Payable			May 03, 2016
Amount paid in cash			$ 1,316,000
Common Class A [Member]
Issuance of common stock [Abstract]
Stock issued (in shares)	450,000	2,000,000
Net proceeds from stock issued	$ 8,400,000	$ 37,000,000
Common Class A [Member] | Dividends Declaration Date One [Member]
Dividends [Abstract]
Dividend (in dollars per share)			$ 0.072
Common Class B [Member] | Dividends Declaration Date One [Member]
Dividends [Abstract]
Dividend (in dollars per share)			$ 0.06