STOCKHOLDERS' EQUITY (Details) (USD $)	9 Months Ended
	Oct. 31, 2014
Dividends Declaration Date One [Member]
Dividends [Abstract]
Declaration date	Sep. 09, 2014
Record date	Sep. 23, 2014
Payable	Sep. 30, 2014
Amount Paid in Cash	$ 1,118,000
Dividends Declaration Date Two [Member]
Dividends [Abstract]
Declaration date	Jun. 11, 2014
Record date	Jun. 25, 2014
Payable	Jul. 02, 2014
Amount Paid in Cash	1,113,000
Dividends Declaration Date Three [Member]
Dividends [Abstract]
Declaration date	Apr. 16, 2014
Record date	Apr. 30, 2014
Payable	May 07, 2014
Amount Paid in Cash	$ 1,103,000
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 A [Member] | Dividends Declaration Date Three [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
Common Class B [Member] | Dividends Declaration Date Three [Member]
Dividends [Abstract]
Dividend (in dollars per share)	$ 0.06