Interim Financial Reporting (Details ) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Percent Of Change	(31.00%)
Changes	$ (4,783,000)
Total Revenues	$ 10,435,000	$ 15,218,000
Product Sales
Percent Of Change	(21.00%)
Total Revenues	$ 5,851,000	7,420,000
Change	$ (1,569,000)
Product Sales | Architectural Sales
Percent Of Change	59.00%
Total Revenues	$ 906,000	2,188,000
Change	$ (1,282,000)
Product Sales | SlenderWall Sales
Percent Of Change	100.00%
Total Revenues	$ 956,000	0
Change	$ 956,000
Product Sales | Miscellaneous Wall Sales
Percent Of Change	(30.00%)
Total Revenues	$ 351,000	503,000
Change	$ (152,000)
Product Sales | Barrier Sales
Percent Of Change	(39.00%)
Total Revenues	$ 914,000	1,491,000
Change	$ (577,000)
Product Sales | Easi-Set and Easi-Span Building Sales
Percent Of Change	(18.00%)
Total Revenues	$ 615,000	754,000
Change	$ (139,000)
Product Sales | Utility Sales
Percent Of Change	74.00%
Total Revenues	$ 466,000	268,000
Change	$ 198,000
Product Sales | Miscellaneous Sales
Percent Of Change	(46.00%)
Total Revenues	$ 279,000	517,000
Change	$ (238,000)
Service Revenue
Percent Of Change	(41.00%)
Total Revenues	$ 4,584,000	7,798,000
Change	$ (3,214,000)
Service Revenue | Royalty Income [Member]
Percent Of Change	2.00%
Total Revenues	$ 427,000	420,000
Change	$ 7,000
Service Revenue | Shipping and Installation Revenue [Member]
Percent Of Change	67.00%
Total Revenues	$ 2,672,000	1,601,000
Change	$ 1,071,000
Service Revenue | Barrier Rental
Percent Of Change	(74.00%)
Total Revenues	$ 1,485,000	5,777,000
Change	$ (4,292,000)
Common Stock
Percent Of Change	(20.00%)
Total Revenues	$ 1,364,000	$ 1,699,000
Change	$ 10,435