Balance Sheets (Unaudited) - USD ($) $ in Thousands	Aug. 29, 2020	Nov. 30, 2019
CURRENT ASSETS
Cash and cash equivalents	$ 14,342	$ 13,890
Short-term investments		2,089
Receivables, net of allowance for doubtful accounts of $0 at August 29, 2020 and November 30, 2019	3,461	3,382
Contract assets	606	519
Inventories:
Raw materials and supplies	6,358	4,427
Work-in process	2,624	2,616
Total inventories	8,982	7,403
Prepaid tax assets	223
Prepaid expenses and other assets	389	572
Total current assets	28,003	27,495
PROPERTY, PLANT AND EQUIPMENT, at cost:
Land	1,518	1,518
Buildings	498	498
Facility improvements	1,109	1,109
Furniture and fixtures	1,016	977
Construction in process equipment	862	645
Machinery and equipment	9,059	9,027
Total property, plant, and equipment	14,062	13,774
Less accumulated depreciation	(10,326)	(10,125)
Net property, plant, and equipment	3,736	3,649
Operating lease right to use asset	129
Total assets	31,868	31,144
CURRENT LIABILITIES:
Accounts payable	984	851
Accrued compensation	870	1,287
Deferred revenue	186	390
Property taxes	85	104
Income tax	232	213
Current portion of operating lease liabilities	12
Other accrued liabilities	62	26
Total current liabilities	2,431	2,871
Operating lease liabilities	117
Deferred income taxes, net	15	20
Total liabilities	2,563	2,891
SHAREHOLDERS’ EQUITY
Common stock, $.10 par value, authorized 10,000,000 shares, 3,078,315 issued and 2,578,315 outstanding at August 29, 2020 and November 30, 2019	308	308
Additional paid-in-capital	885	885
Treasury stock, 500,000 shares, at cost	(1,250)	(1,250)
Retained earnings	29,362	28,310
Total shareholders’ equity	29,305	28,253
Total liabilities and shareholders’ equity	$ 31,868	$ 31,144