CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	May 31, 2014	Jun. 01, 2013
CASH FLOWS OPERATING ACTIVITIES:
Net income	$ 687	$ 599
Depreciation	159	157
Deferred tax expense	16	232
Decrease in accounts receivable	288	238
Decrease in inventories	209	602
(Increase) decrease in prepaid expense and other current assets	(66)	45
(Decrease) increase in deferred revenue	(297)	131
Decrease accounts payable	(313)	(135)
Decrease in accrued compensation	(97)	(47)
Decrease in other accrued liabilities	(47)	(58)
Decrease in income taxes payable	(85)	(28)
Net cash provided by operating activities	454	1,736
Purchase of short term investments	(2)	(1)
Additions to property, plant and equipment	(147)	(142)
Net cash used in investing activities	(149)	(143)
Cash dividend	(258)	(258)
Net cash used in financing activities	(258)	(258)
Net change in cash and cash equivalents	47	1,335
Cash and cash equivalents at beginning of period	9,263	7,415
Cash and cash equivalents at end of period	9,310	8,750
Cash paid for income taxes	$ 490	$ 48