CONDENSED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	May. 30, 2015	May. 31, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 669	$ 687
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	154	159
Deferred tax expense	58	16
Changes in certain current assets and liabilities
Decrease in accounts receivable	637	288
(Increase) decrease in inventories	(702)	209
Increase in prepaid expense and other current assets	(4)	(66)
Decrease in prepaid income taxes	37	0
Increase (decrease) in deferred revenue	2,449	(297)
Decrease in accounts payable	(2)	(313)
Decrease in accrued compensation	(88)	(97)
Decrease in other accrued liabilities	(71)	(47)
Increase (decrease) in income taxes payable	92	(85)
Net cash provided by operating activities	3,229	454
CASH FLOWS FROM INVESTING ACTIVITIES:
Sale of short term investments	2,009	2,006
Purchase of short term investments	(2,002)	(2,008)
Additions to property, plant and equipment	(98)	(147)
Net cash used in investing activities	(91)	(149)
CASH FLOWS FROM FINANCING ACTIVITIES
Cash dividend	(258)	(258)
Net cash used in financing activities	(258)	(258)
Net change in cash and cash equivalents	2,880	47
Cash and cash equivalents at beginning of period	9,994	9,263
Cash and cash equivalents at end of period	12,874	9,310
Supplemental Cash Flow Disclosure:
Cash paid for income taxes	144	490
Supplemental Non-Cash Investing Activity:
Accrued additions to equipment	$ 83	$ 0