INTERIM FINANCIAL REPORTING (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Total Revenues	$ 13,253	$ 12,307	$ 23,688	$ 27,523
Percent Of Change	8.00%		(14.00%)
Changes	$ 946		$ (3,835)
Product Sales
Total Revenues	$ 6,788	7,243	$ 12,638	14,662
Percent Of Change	(6.00%)		(14.00%)
Change	$ (455)		$ (2,024)
Product Sales | Architectural Panel Sales
Total Revenues	$ 1,347	1,249	$ 2,253	3,437
Percent Of Change	8.00%		(34.00%)
Change	$ 98		$ (1,184)
Product Sales | SlenderWall Sales
Total Revenues	$ 51	220	$ 1,007	220
Percent Of Change	(77.00%)		358.00%
Change	$ (169)		$ 787
Product Sales | Miscellaneous Wall Sales
Total Revenues	$ 637	781	$ 988	1,284
Percent Of Change	(18.00%)		(23.00%)
Change	$ (144)		$ (296)
Product Sales | Barrier Sales
Total Revenues	$ 2,338	1,066	$ 3,252	2,557
Percent Of Change	119.00%		27.00%
Change	$ 1,272		$ 695
Product Sales | Easi-Set and Easi-Span Building Sales
Total Revenues	$ 948	848	$ 1,563	1,602
Percent Of Change	12.00%		(2.00%)
Change	$ 100		$ (39)
Product Sales | Utility Sales
Total Revenues	$ 666	469	$ 1,132	736
Percent Of Change	42.00%		54.00%
Change	$ 197		$ 396
Product Sales | Miscellaneous Sales
Total Revenues	$ 371	219	$ 649	736
Percent Of Change	69.00%		(12.00%)
Change	$ 152		$ (87)
Product Sales | Soundwall Sales
Total Revenues	$ 430	2,391	$ 1,794	4,090
Percent Of Change	(82.00%)		(56.00%)
Change	$ (1,961)		$ (2,296)
Service Revenue
Total Revenues	$ 6,465	5,064	$ 11,050	12,861
Percent Of Change	28.00%		(14.00%)
Change	$ 1,401		$ (1,811)
Service Revenue | Royalty Income [Member]
Total Revenues	$ 771	692	$ 1,198	1,112
Percent Of Change	11.00%		8.00%
Change	$ 79		$ 86
Service Revenue | Shipping and Installation Revenue [Member]
Total Revenues	$ 3,732	3,190	$ 6,405	4,791
Percent Of Change	17.00%		34.00%
Change	$ 542		$ 1,614
Service Revenue | Barrier Rental
Total Revenues	$ 1,962	$ 1,182	$ 3,447	$ 6,958
Percent Of Change	66.00%		(50.00%)
Change	$ 780		$ (3,511)