CONDENSED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Aug. 25, 2018	Nov. 30, 2017
CURRENT ASSETS
Cash and cash equivalents	$ 9,839	$ 9,388
Short-term investments	2,052	2,031
Receivables, net of allowance for doubtful accounts of $0 at May 26, 2018 and November 30, 2017	2,705	3,462
Inventories:
Raw materials and supplies	4,289	3,874
Work-in process	2,275	1,991
Total inventories	6,564	5,865
Prepaid income tax	487	227
Prepaid expenses and other assets	422	274
Total current assets	22,069	21,247
PROPERTY, PLANT AND EQUIPMENT, at cost:
Land	1,518	1,518
Buildings	498	498
Facility improvements	1,109	1,109
Furniture and fixtures	945	938
Construction in process equipment	597	678
Machinery and equipment	8,815	8,492
Total property, plant, and equipment	13,482	13,233
Less accumulated depreciation	(9,664)	(9,429)
Net property, plant, and equipment	3,818	3,804
Deferred income taxes, net	116	203
Total assets	26,003	25,254
CURRENT LIABILITIES:
Accounts payable	613	372
Accrued compensation	560	704
Deferred revenue	637	392
Property taxes	67	86
Commission payable	26	113
Other accrued liabilities	44	27
Total current liabilities	1,947	1,694
SHAREHOLDERS' EQUITY
Common stock, $.10 par value, authorized 10,000,000 shares, 3,078,315 issued and 2,578,315 outstanding at May 26, 2018 and November 30, 2017	308	308
Additional paid-in capital	885	885
Treasury stock, 500,000 shares, at cost	(1,250)	(1,250)
Retained earnings	24,113	23,617
Total shareholders' equity	24,056	23,560
Total liabilities and shareholders' equity	$ 26,003	$ 25,254