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Interim Financial Reporting (Tables) | 9 Months Ended
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Sep. 30, 2018
INTERIM FINANCIAL REPORTING [Abstract] |
Disaggregation of Revenue | In the following table, revenue is disaggregated by primary sources of revenue (in thousands):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2018 | 2017 | Change | % of Change |  | 2018 | 2017 | Change | % of Change
Product Sales: |  |  |  |  |  |  |  |  |
Soundwall Sales | $ | 2,334 |  | $ | 2,368 |  | $ | (34 | ) | (1)% |  | $ | 7,339 |  | $ | 5,024 |  | $ | 2,315 |  | 46%
Architectural Panel Sales | 41 |  | 551 |  | (510 | ) | (93)% |  | 498 |  | 569 |  | (71 | ) | (12)%
SlenderWall Sales | 1,637 |  | 913 |  | 724 |  | 79% |  | 4,203 |  | 912 |  | 3,291 |  | 361%
Miscellaneous Wall Sales | 87 |  | 639 |  | (552 | ) | (86)% |  | 846 |  | 2,012 |  | (1,166 | ) | (58)%
Barrier Sales | 1,749 |  | 3,615 |  | (1,866 | ) | (52)% |  | 5,624 |  | 9,684 |  | (4,060 | ) | (42)%
Easi-Set and Easi-Span Building Sales | 496 |  | 730 |  | (234 | ) | (32)% |  | 1,557 |  | 2,127 |  | (570 | ) | (27)%
Utility and Farm Product Sales | 429 |  | 322 |  | 107 |  | 33% |  | 890 |  | 1,129 |  | (239 | ) | (21)%
Miscellaneous Product Sales | 55 |  | 157 |  | (102 | ) | (65)% |  | 267 |  | 396 |  | (129 | ) | (33)%
Total Product Sales | 6,828 |  | 9,295 |  | (2,467 | ) | (27)% |  | 21,224 |  | 21,853 |  | (629 | ) | (3)%
Barrier Rentals | 540 |  | 319 |  | 221 |  | 69% |  | 1,188 |  | 3,145 |  | (1,957 | ) | (62)%
Royalty Income | 465 |  | 483 |  | (18 | ) | (4)% |  | 1,193 |  | 1,387 |  | (194 | ) | (14)%
Shipping and Installation Revenue | 1,711 |  | 1,384 |  | 327 |  | 24% |  | 4,897 |  | 5,321 |  | (424 | ) | (8)%
Total Service Revenue | 2,716 |  | 2,186 |  | 530 |  | 24% |  | 7,278 |  | 9,853 |  | (2,575 | ) | (26)%
Total Revenue | $ | 9,544 |  | $ | 11,481 |  | $ | (1,937 | ) | (17)% |  | $ | 28,502 |  | $ | 31,706 |  | $ | (3,204 | ) | (10)%

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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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130545-203045 + Details
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