CONDENSED BALANCE SHEETS (USD $)	Jun. 01, 2013	Nov. 30, 2012
CURRENT ASSETS
Cash and cash equivalents	$ 8,750	$ 7,415
Short-term investment	2,005	2,004
Receivables, net of allowance for doubtful accounts of $2 at june1 , 2013 and $2 at November 30, 2012	2,260	2,498
Inventories:
Raw materials	3,093	3,601
Work-in process	2,290	2,384
Total inventories	5,383	5,985
Deferred income taxes assets	453	659
Prepaid income tax	263	349
Prepaid expenses and other assets	162	121
Total current assets	19,276	19,031
PROPERTY, PLANT AND EQUIPMENT, at cost:
Land	80	80
Buildings	498	498
Facility improvements	1,074	1,074
Machinery and equipment	8,056	7,914
Furniture and fixtures	677	677
Total property, plant, and equipment	10,385	10,243
Less accumulated depreciation	(8,377)	(8,220)
Net property, plant, and equipment	2,008	2,023
Total assets	21,284	21,054
CURRENT LIABILITIES:
Accounts payable	366	501
Accrued compensation	464	511
Deferred revenue	320	189
Other accrued liabilities	157	215
Income taxes payable	84	112
Total current liabilities	1,391	1,528
DEFERRED INCOME TAXES	471	471
SHAREHOLDERS' EQUITY
Common stock, ($.10 par value), authorized 10,000,000 shares, 3,078,315 issued and 2,578,315 outstanding at June 1, 2013 and November 30, 2012	308	308
Paid-in capital	885	885
Treasury stock, 500,000 shares, at cost	(1,250)	(1,250)
Retained earnings	19,453	19,112
Total shareholders' equity	19,396	19,055
Total liabilities and shareholders' equity	$ 21,284	$ 21,054