SUMMARY OF BUSINESS AND SIGNIFICANT ACCOUNTING POLICIES, PART II (Details) $ / shares in Units, shares in Thousands, $ in Thousands			3 Months Ended								12 Months Ended
	Dec. 28, 2012 USD ($) Payment	Jun. 06, 2012 USD ($)	Jan. 31, 2016 USD ($) Class $ / shares	Oct. 31, 2015 USD ($) $ / shares	Jul. 31, 2015 USD ($) $ / shares	Apr. 30, 2015 USD ($) $ / shares	Jan. 31, 2015 USD ($) $ / shares	Oct. 31, 2014 USD ($) $ / shares	Jul. 31, 2014 USD ($) $ / shares	Apr. 30, 2014 USD ($) $ / shares	Jan. 31, 2016 USD ($) Population Model Class $ / shares shares	Jan. 31, 2015 USD ($) $ / shares shares	Jan. 31, 2014 USD ($) $ / shares shares
DEFERRED TAX ASSETS AND LIABILITIES [Abstract]
Income tax recognition threshold											50.00%
STOCK-BASED COMPENSATION [Abstract]
Number of discernable populations | Population											2
Number of years for which historical dividend payments per share remain consistent											3 years
REVENUE [Abstract]
Number of software model offered clients | Model											2
Minimum contractual term											12 months
Maximum contractual term											60 months
Payment period for software license fees to customers with an established history of collections without concessions, Maximum											1 year
Maintenance revenue recognition period											1 year
Initial subscription period, minimum											12 months
Initial subscription period, maximum											60 months
Payment due date for subscription revenue, Maximum											30 months
ADVERTISING EXPENSES [Abstract]
Advertising expense											$ 900	$ 800	$ 600
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income			$ 4,146	$ 2,586	$ 1,631	$ 549	$ 6,947	$ 5,090	$ 985	$ (76)	8,912	12,946	6,386
Less: Dividends declared											(5,235)	(4,452)	(4,362)
Undistributed net income											3,677	8,494	2,024
Net income per share [Abstract]
Dividends declared											5,235	4,452	4,362
Allocation of undistributed net income											3,677	8,494	2,024
Net income			$ 4,146	$ 2,586	$ 1,631	$ 549	6,947	$ 5,090	$ 985	$ (76)	$ 8,912	12,946	6,386
COMPUTATION OF NET INCOME PER SHARE [Abstract]
Number of classes of common stock | Class			2								2
Dividends common stock percentage that Class A is entitled to as compared to class B											120.00%
OTHER (INCOME) EXPENSE, NET [Abstract]
Interest income											$ (320)	(242)	(284)
Interest expense											712	811	829
Foreign exchange gains											(503)	(878)	(67)
Change in fair value of interest rate swap											48	877	(634)
Other income, net											(302)	(168)	(593)
Total other (income) expense, net											(365)	400	(749)
CEBOS [Member]
BUSINESS COMBINATIONS [Abstract]
Total purchase price of acquisition	$ 3,500
Number of separate contingent payments on acquisition on achievement of milestone | Payment	2
Guaranteed future cash payment	$ 300
Contingent payments	$ 500
Decrease in contingent consideration													300
Business acquisition earn out amount							$ 800					800	500
DynaSys [Member]
BUSINESS COMBINATIONS [Abstract]
Total purchase price of acquisition		$ 7,500
Common Class A [Member]
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income											7,606	10,729	5,282
Less: Dividends declared											(4,466)	(3,688)	(3,606)
Undistributed net income											3,140	7,041	1,676
Net income per share [Abstract]
Dividends declared											4,466	3,688	3,606
Allocation of undistributed net income											3,140	7,041	1,676
Net income											$ 7,606	$ 10,729	$ 5,282
Weighted average shares by Class of common stock outstanding-basic (in shares) | shares											15,466	12,841	12,501
Weighted average potential shares of common stock (in shares) | shares											758	712	484
Weighted average shares of common stock and potential common shares outstanding-diluted (in shares) | shares											16,224	13,553	12,985
Basic net income per common share (in dollars per share) | $ / shares			$ 0.23	$ 0.14	$ 0.09	$ 0.03	$ 0.44	$ 0.33	$ 0.06	$ (0.01)	$ 0.49	$ 0.84	$ 0.42
Diluted net income per common share (in dollars per share) | $ / shares			0.19	0.12	0.08	0.03	0.42	0.31	0.06	(0.01)	$ 0.47	$ 0.79	$ 0.41
Antidilutive securities excluded from computation of earnings per share (in shares) | shares											528	211	1,179
Common Class B [Member]
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income											$ 1,306	$ 2,217	$ 1,104
Less: Dividends declared											(769)	(764)	(756)
Undistributed net income											537	1,453	348
Net income per share [Abstract]
Dividends declared											769	764	756
Allocation of undistributed net income											537	1,453	348
Net income											$ 1,306	$ 2,217	$ 1,104
Weighted average shares by Class of common stock outstanding-basic (in shares) | shares											3,201	3,183	3,149
Weighted average potential shares of common stock (in shares) | shares											82	88	89
Weighted average shares of common stock and potential common shares outstanding-diluted (in shares) | shares											3,283	3,271	3,238
Basic net income per common share (in dollars per share) | $ / shares			0.22	0.14	0.09	0.03	0.37	0.27	0.05	0	$ 0.41	$ 0.70	$ 0.35
Diluted net income per common share (in dollars per share) | $ / shares			$ 0.18	$ 0.12	$ 0.07	$ 0.02	$ 0.36	$ 0.27	$ 0.05	$ 0	$ 0.40	$ 0.68	$ 0.34
Antidilutive securities excluded from computation of earnings per share (in shares) | shares											99	45	184