Defined Benefit Plan	3 Months Ended
Aug. 31, 2012
Compensation and Retirement Disclosure [Abstract]
Defined Benefit Plan	Note 9 – Defined Benefit Plan On July 27, 2011, pursuant to an agreement between the Pension Benefit Guaranty Corporation (“PBGC”) and the Company, the Company’s defined benefit pension plan (the “Plan”) was terminated with a termination date of September 30, 2011, and the PBGC was appointed trustee of the Plan. PBGC has a claim to the Company for the total amount of the unfunded benefit liabilities of the plan of $1,614,000. The PBGC has notified the Company that the liability is due and payable as of the termination date, and interest accrues on the unpaid balance at the applicable rate provided under Section 6621(a) of the Internal Revenue Code. The total amount outstanding to the PBGC at August 31, 2012 and November 30, 2011 was approximately $1,797,000 and $1,731,000, respectively, including accrued interest, which is recorded as a current liability. The Company made no payments to the Plan in fiscal 2012 or 2011. The Plan covers approximately 40 former employees.

Defined Benefit Plan

3 Months Ended

Aug. 31, 2012

Compensation and Retirement Disclosure [Abstract]

Note 9 – Defined Benefit Plan

On July 27, 2011, pursuant to an agreement between the Pension Benefit Guaranty Corporation (“PBGC”) and the Company, the Company’s defined benefit pension plan (the “Plan”) was terminated with a termination date of September 30, 2011, and the PBGC was appointed trustee of the Plan. PBGC has a claim to the Company for the total amount of the unfunded benefit liabilities of the plan of $1,614,000. The PBGC has notified the Company that the liability is due and payable as of the termination date, and interest accrues on the unpaid balance at the applicable rate provided under Section 6621(a) of the Internal Revenue Code. The total amount outstanding to the PBGC at August 31, 2012 and November 30, 2011 was approximately $1,797,000 and $1,731,000, respectively, including accrued interest, which is recorded as a current liability. The Company made no payments to the Plan in fiscal 2012 or 2011. The Plan covers approximately 40 former employees.