SEGMENT INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 24, 2022	Sep. 25, 2021	Sep. 24, 2022	Sep. 25, 2021	Dec. 25, 2021
Revenue	$ 13,056	$ 5,921	$ 31,777	$ 29,449
Gross profit	$ 664	$ (814)	$ 1,338	$ 272
Gross Profit Margin	5.10%	(13.70%)	4.20%	0.90%
SG&A	$ 2,920	$ 3,089	$ 8,653	$ 9,914
Operating loss	(2,256)	(3,903)	(7,315)	(9,642)
Other Income, Net	5	6,371	36	8,061
Interest expense, net	(63)	(46)	(166)	(161)
Tax Expense	(21)	(21)	(43)	(67)
Net Income (loss)	(2,335)	2,401	(7,488)	(1,809)
Total Assets	41,575		41,575		$ 42,069
Commercial
Revenue	10,229	3,935	24,835	23,141
Gross profit	$ (368)	$ (1,089)	$ (591)	$ (375)
Gross Profit Margin	(3.60%)	(27.70%)	(2.40%)	(1.60%)
SG&A	$ 1,572	$ 1,534	$ 4,668	$ 5,643
Operating loss	(1,940)	(2,623)	(5,259)	(6,018)
Total Assets	24,344		24,344		12,535
Government Services
Revenue	2,827	1,986	6,942	6,308
Gross profit	$ 1,032	$ 275	$ 1,929	$ 647
Gross Profit Margin	36.50%	13.80%	27.80%	10.30%
SG&A	$ 164	$ 280	$ 554	$ 677
Operating loss	868	(5)	1,375	(30)
Total Assets	3,614		3,614		3,788
Corporate
Revenue	0	0	0	0
Gross profit	0	0	0	0
SG&A	1,184	1,275	3,431	3,594
Operating loss	(1,184)	$ (1,275)	(3,431)	$ (3,594)
Total Assets	$ 13,617		$ 13,617		$ 25,746