CONDENSED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	May 31, 2014	Nov. 30, 2013
CURRENT ASSETS
Cash and cash equivalents	$ 9,310	$ 9,263
Short-term investments	2,008	2,006
Receivables, net of allowance for doubtful accounts of $2 at May 31, 2014 and $2 at November 30, 2013	2,658	2,946
Inventories:
Raw materials and supplies	3,051	2,968
Work-in process	2,609	2,901
Total inventories	5,660	5,869
Deferred income taxes	713	738
Prepaid income tax	37	2
Prepaid expenses and other assets	202	171
Total current assets	20,588	20,995
PROPERTY, PLANT AND EQUIPMENT, at cost:
Land	80	80
Buildings	498	498
Facility improvements	1,074	1,074
Machinery and equipment	8,298	8,171
Furniture and fixtures	697	677
Total property, plant, and equipment	10,647	10,500
Less accumulated depreciation	(8,696)	(8,537)
Net property, plant, and equipment	1,951	1,963
Total assets	22,539	22,958
CURRENT LIABILITIES:
Accounts payable	400	713
Accrued compensation	500	597
Deferred revenue	325	622
Other accrued liabilities	162	209
Income taxes payable	88	173
Total current liabilities	1,475	2,314
DEFERRED INCOME TAXES	445	454
SHAREHOLDERS' EQUITY
Common stock, ($.10 par value), authorized 10,000,000 shares, 3,078,315 issued and 2,578,315 outstanding at May 31, 2014 and November 30, 2013	308	308
Additional paid-in capital	885	885
Treasury stock, 500,000 shares, at cost	(1,250)	(1,250)
Retained earnings	20,676	20,247
Total shareholders' equity	20,619	20,190
Total liabilities and shareholders' equity	$ 22,539	$ 22,958