2. SIGNIFICANT ACCOUNTING POLICIES (Details - Distributions) - USD ($) $ in Thousands	3 Months Ended
	Feb. 29, 2020	Feb. 23, 2019
Military [Member]
Domestic Direct	$ 1,142	$ 919
Domestic Distribution	2,492	1,175
International	168	86
Total net distributions	3,802	2,180
Space [Member]
Domestic Direct	685	276
Domestic Distribution
International	171	135
Total net distributions	856	411
Medical [Member]
Domestic Direct	757	765
Domestic Distribution	5
International
Total net distributions	762	765
Commercial [Member]
Domestic Direct	395	309
Domestic Distribution	110	56
International	32	84
Total net distributions	537	449
Total [Member]
Domestic Direct	2,979	2,269
Domestic Distribution	2,607	1,231
International	371	305
Total net distributions	$ 5,957	$ 3,805