DEBT (Details) (USD $)			6 Months Ended		1 Months Ended	6 Months Ended
	Jul. 31, 2012	Jan. 31, 2012	Jul. 31, 2012 Rabobank N.A [Member] Credit Agreement [Member]	Jul. 31, 2011 Rabobank N.A [Member] Credit Agreement [Member]	May 30, 2012 2004 Mortgage [Member] Rabobank N.A [Member] Quad Ortega Hill LLC [Member]	Jul. 31, 2012 2004 Mortgage [Member] Rabobank N.A [Member] Quad Ortega Hill LLC [Member]
Debt Instrument [Line Items]
Long-term debt	$ 16,047,000	$ 16,134,000			$ 16,100,000
Less current maturities	(388,000)	(321,000)
Long-term debt	15,659,000	15,813,000
Notes Payable [Abstract]
Original principal amount					18,000,000
Interest rate (in hundredths)					6.50%
Frequency of periodic payment					119M
Principal and interest					115,000	88,100
Final principal payment					15,400,000	11,700,000
Unpaid balance	16,000,000
Maturity date			Jul. 15, 2014	Jul. 15, 2012
Basis spread on variable rate (in hundredths)			0.75%	0.75%		2.25%
Fixed interest rate (in hundredths)						4.31%
Credit Facility [Abstract]
Term of loan			1 year
Maximum borrowing capacity			$ 20,000,000
Unused capacity commitment fee (in hundredths)			0.25%
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.
Effective interest rate, percentage (in hundredths)			1.00%