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v3.20.1

Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2019
Accounting Policies [Abstract] |
Property and equipment estimated useful lives |
|  | Years |
Buildings |  |  | 10-40 |
Trucks and automotive equipment |  |  | 3-10 |
Shop machinery and equipment |  |  | 3-10 |
Land improvements |  |  | 10-15 |
Rental equipment |  |  | 5-10 |
Office equipment |  |  | 3-10 |
Disaggregation of revenue |
Revenue by Type (Disaggregated Revenue) |  | 2019 |  |  | 2018 |  |  | Change |  |  | % Change |
Product Sales: |  |  |  |  |  |  |  |  |  |  |  |
Soundwall Sales |  | $ | 7,736 |  |  | $ | 9,867 |  |  | $ | (2,131 | ) |  |  | (21.6 | )%
Architectural Sales |  |  | 1,104 |  |  |  | 876 |  |  |  | 228 |  |  |  | 26.0 | %
SlenderWall Sales |  |  | 5,063 |  |  |  | 5,572 |  |  |  | (509 | ) |  |  | (9.1 | )%
Miscellaneous Wall Sales |  |  | 1,685 |  |  |  | 1,760 |  |  |  | (75 | ) |  |  | (4.3 | )%
Barrier Sales |  |  | 8,582 |  |  |  | 7,264 |  |  |  | 1,318 |  |  |  | 18.1 | %
Easi-Set and Easi-Span Building Sales |  |  | 5,937 |  |  |  | 2,114 |  |  |  | 3,823 |  |  |  | 180.8 | %
Utility Sales |  |  | 1,608 |  |  |  | 1,232 |  |  |  | 376 |  |  |  | 30.5 | %
Miscellaneous Sales |  |  | 513 |  |  |  | 474 |  |  |  | 39 |  |  |  | 8.2 | %
Total Product Sales |  |  | 32,228 |  |  |  | 29,159 |  |  |  | 3,069 |  |  |  | 10.5 | %
Barrier Rentals |  |  | 2,488 |  |  |  | 1,729 |  |  |  | 759 |  |  |  | 43.9 | %
Royalty Income |  |  | 1,672 |  |  |  | 1,675 |  |  |  | (3 | ) |  |  | (0.2 | )%
Shipping and Installation Revenue |  |  | 10,303 |  |  |  | 7,657 |  |  |  | 2,646 |  |  |  | 34.6 | %
Total Service Revenue |  |  | 14,463 |  |  |  | 11,061 |  |  |  | 3,402 |  |  |  | 30.8 | %
Total Revenue |  | $ | 46,691 |  |  | $ | 40,220 |  |  | $ | 6,471 |  |  |  | 16.1 | %

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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