STOCKHOLDERS' EQUITY (Details) - USD ($)			6 Months Ended
	Feb. 18, 2015	Jan. 22, 2015	Jul. 31, 2015	Jul. 31, 2014
Issuance of common stock [Abstract]
Net proceeds from stock issued			$ 8,365,000	$ 0
Dividends Declaration Date One [Member]
Dividends [Abstract]
Declaration date			Jun. 09, 2015
Record date			Jun. 23, 2015
Payable			Jun. 30, 2015
Amount Paid in Cash			$ 1,310,000
Dividends Declaration Date Two [Member]
Dividends [Abstract]
Declaration date			Apr. 15, 2015
Record date			Apr. 29, 2015
Payable			May 06, 2015
Amount Paid in Cash			$ 1,299,000
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 A [Member] | Dividends Declaration Date Two [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
Common Class B [Member] | Dividends Declaration Date Two [Member]
Dividends [Abstract]
Dividend (in dollars per share)			$ 0.06