DEBT (Details) (USD $)	12 Months Ended
	Jan. 31, 2013	Jan. 31, 2012
Debt Instrument [Line Items]
Notes payable	$ 15,846,000	16,134,000
Less current maturities	(372,000)	(321,000)
Long-term debt	15,474,000	15,813,000
Rabobank N.A [Member] | Credit Agreement [Member]
Notes Payable [Abstract]
Maturity date	Jul. 15, 2014	Jul. 15, 2012
Credit Facility [Abstract]
Term of loan	1 year
Maximum borrowing capacity	20,000,000
Unused capacity commitment fee (in hundredths)	0.25%
Variable rate basis	one month LIBOR plus 0.75%
Basis spread on variable rate (in hundredths)	0.75%	0.75%
Covenant terms	The Facility provides that the Company maintain certain financial and operating ratios which include, among other provisions, minimum liquidity on a consolidated basis of $25 million in cash and equivalents at all times, a current ratio (calculated using current liabilities excluding deferred revenue) of not less than 1.3 to 1.0 determined at the end of each fiscal quarter, a leverage ratio of not more than 1.5 to 1.0 determined at the end of each fiscal quarter, and a debt service coverage ratio of not less than 1.5 to 1.0 determined at the end of each fiscal year. The Facility also contains customary covenants that could restrict the Company's ability to incur additional indebtedness.
Liquidity on a consolidated basis, Minimum	25,000,000
Current ratio, Minimum	1.3
Leverage ratio, Minimum	1.5
Debt service coverage ratio, Minimum	1.5
Effective borrowing rate (in hundredths)	1.00%
Borrowings outstanding	0
2004 Mortgage [Member] | Rabobank N.A [Member] | Quad Ortega Hill LLC [Member]
Notes Payable [Abstract]
Original principal amount	18,000,000
Interest rate (in hundredths)	6.50%
Frequency of periodic payment	P119M
Principal and interest	115,000
Final principal payment	15,400,000
Unpaid balance	16,100,000
2012 Mortgage [Member] | Rabobank N.A [Member] | Quad Ortega Hill LLC [Member]
Notes Payable [Abstract]
Principal and interest	88,100
Final principal payment	11,700,000
Unpaid balance	$ 15,800,000
Basis spread on variable rate (in hundredths)	2.25%
One month LIBOR	0.21%
Fixed interest rate (in hundredths)	4.31%