INTERIM FINANCIAL REPORTING (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Total revenues	$ 15,218	$ 9,825
Change	$ 5,393
Percent of change	55.00%
Product Sales
Total revenues	$ 7,420	6,852
Change	$ 568
Percent of change	8.00%
Product Sales | Soundwall Sales
Total revenues	$ 1,699	1,887
Change	$ (188)
Percent of change	(10.00%)
Product Sales | Architectural Panel Sales
Total revenues	$ 2,188	767
Change	$ 1,421
Percent of change	185.00%
Product Sales | SlenderWall Sales
Total revenues	$ 0	923
Change	$ (923)
Percent of change	(100.00%)
Product Sales | Miscellaneous Wall Sales
Total revenues	$ 503	903
Change	$ (400)
Percent of change	(44.00%)
Product Sales | Barrier Sales
Total revenues	$ 1,491	1,325
Change	$ 166
Percent of change	13.00%
Product Sales | Easi-Set and Easi-Span Building Sales
Total revenues	$ 754	559
Change	$ 195
Percent of change	35.00%
Product Sales | Utility Sales
Total revenues	$ 268	401
Change	$ (133)
Percent of change	(33.00%)
Product Sales | Miscellaneous Sales
Total revenues	$ 517	87
Change	$ 430
Percent of change	494.00%
Service Revenue
Total revenues	$ 7,798	2,973
Change	$ 4,825
Percent of change	162.00%
Service Revenue | Barrier Rentals
Total revenues	$ 5,777	742
Change	$ 5,035
Percent of change	679.00%
Service Revenue | Royalty Income
Total revenues	$ 420	268
Change	$ 152
Percent of change	57.00%
Service Revenue | Shipping and Installation Revenue
Total revenues	$ 1,601	$ 1,963
Change	$ (362)
Percent of change	(18.00%)