| Segment Reporting Disclosure [Text Block] | 
Note  17.  Segment Reporting      The Company conducts business through the following reportable segments based on geography and the nature of services sold:        |   |    ●   |    U.S. Concrete Pumping – Consists of concrete pumping services sold to customers in the U.S. Business in this segment is primarily performed under the Brundage-Bone and Capital tradenames.   |     |   |    ●   |    U.K. Concrete Pumping – Consists of concrete pumping services and leasing of concrete pumping equipment to customers in the U.K. Business in this segment is primarily performed under the Camfaud Concrete Pumps and Premier Concrete Pumping tradenames. This represents the Company’s foreign operations.   |     |   |    ●   |    Concrete Waste Management Services ("Eco-Pan") – Consists of pans and containers rented to customers in the U.S and the disposal of the concrete waste material services sold to customers in the U.S. Business in this segment is performed under the Eco-Pan tradename.   |          The accounting policies of the reportable segments are the same as those described in Note  2.  The Company’s Chief Operating Decision Maker (“CODM”) evaluates the performance of each segment based on revenue, and measures segment performance based upon EBITDA (earnings before interest, taxes, depreciation and amortization). Non-allocated interest expense and various other administrative costs are reflected in Corporate. Corporate assets primarily include cash and cash equivalents, prepaid expenses and other current assets, and real property. The following provides operating information about the Company’s reportable segments for the periods presented:          |   |    |     |    |    |     |    |    |     |    |    |     |    |     |    |    |      |    |    |      |    |    |   December 6, 2018  through  July 31,  2019    |    |    |   November 1, 2018  through  December 5,  2018    |    |    |       |    |     |    |    |     |     |     |    |     |     |     |    |     |     |     |    |     |     |     |    |     |     |     |     |   U.S. Concrete Pumping   |    |  $ |  58,354  |    |    |  $ |  45,288  |    |    |  $ |  124,969  |    |    |  $ |  16,659  |    |    |  $ |  118,424  |    |     |   U.K. Concrete Pumping   |    |    |  12,492  |    |    |    |  13,877  |    |    |    |  30,996  |    |    |    |  5,143  |    |    |    |  36,705  |    |     |   Eco-Pan   |    |    |  7,967  |    |    |    |  7,548  |    |    |    |  18,806  |    |    |    |  2,628  |    |    |    |  20,885  |    |     |   Corporate   |    |    |  626  |    |    |    |  625  |    |    |    |  1,634  |    |    |    |  242  |    |    |    |  1,875  |    |     |   Intersegment   |    |    |  (784  |  ) |    |    |  (689  |  ) |    |    |  (1,792  |  ) |    |    |  (276  |  ) |    |    |  (2,035  |  ) |     |   |    |  $ |  78,655  |    |    |  $ |  66,649  |    |    |  $ |  174,613  |    |    |  $ |  24,396  |    |    |  $ |  175,854  |    |     |   |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |      (Loss) income before income taxes    |    |     |     |     |    |     |     |     |    |     |     |     |    |     |     |     |    |     |     |     |     |   U.S. Concrete Pumping   |    |  $ |  (1,050  |  ) |    |  $ |  2,287  |    |    |  $ |  (14,946  |  ) |    |  $ |  (27,354  |  ) |    |  $ |  5,268  |    |     |   U.K. Concrete Pumping   |    |    |  1,353  |    |    |    |  959  |    |    |    |  290  |    |    |    |  207  |    |    |    |  1,808  |    |     |   Eco-Pan   |    |    |  329  |    |    |    |  2,826  |    |    |    |  (85  |  ) |    |    |  225  |    |    |    |  7,665  |    |     |   Corporate   |    |    |  208  |    |    |    |  454  |    |    |    |  1,113  |    |    |    |  155  |    |    |    |  1,620  |    |     |   |    |  $ |  840  |    |    |  $ |  6,526  |    |    |  $ |  (13,628  |  ) |    |  $ |  (26,767  |  ) |    |  $ |  16,361  |    |     |   |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |     |    |    |     |     |     |    |     |     |     |    |     |     |     |    |     |     |     |    |     |     |     |     |   U.S. Concrete Pumping   |    |  $ |  17,934  |    |    |  $ |  7,851  |    |    |  $ |  29,283  |    |    |  $ |  (24,565  |  ) |    |  $ |  28,699  |    |     |   U.K. Concrete Pumping   |    |    |  5,013  |    |    |    |  3,482  |    |    |    |  9,445  |    |    |    |  1,587  |    |    |    |  11,009  |    |     |   Eco-Pan   |    |    |  3,587  |    |    |    |  3,117  |    |    |    |  7,748  |    |    |    |  388  |    |    |    |  9,209  |    |     |   Corporate   |    |    |  626  |    |    |    |  520  |    |    |    |  1,633  |    |    |    |  180  |    |    |    |  1,809  |    |     |   |    |  $ |  27,160  |    |    |  $ |  14,969  |    |    |  $ |  48,109  |    |    |  $ |  (22,410  |  ) |    |  $ |  50,726  |    |           
     |   |    |     |    |    |     |    |    |     |    |    |     |    |     |    |    |      |    |    |      |    |    |   December 6, 2018  through  July 31,  2019    |    |    |   November 1, 2018  through  December 5,  2018    |    |    |       |    |      Depreciation and amortization    |    |     |     |     |    |     |     |     |    |     |     |     |    |     |     |     |    |     |     |     |     |   U.S. Concrete Pumping   |    |  $ |  9,938  |    |    |  $ |  1,115  |    |    |  $ |  21,471  |    |    |  $ |  1,635  |    |    |  $ |  10,904  |    |     |   U.K. Concrete Pumping   |    |    |  2,864  |    |    |    |  1,498  |    |    |    |  7,161  |    |    |    |  890  |    |    |    |  6,042  |    |     |   Eco-Pan   |    |    |  3,257  |    |    |    |  291  |    |    |    |  7,832  |    |    |    |  163  |    |    |    |  1,544  |    |     |   Corporate   |    |    |  418  |    |    |    |  62  |    |    |    |  520  |    |    |    |  25  |    |    |    |  185  |    |     |   |    |  $ |  16,477  |    |    |  $ |  2,967  |    |    |  $ |  36,984  |    |    |  $ |  2,713  |    |    |  $ |  18,675  |    |     |   |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |     |    |    |     |     |     |    |     |     |     |    |     |     |     |    |     |     |     |    |     |     |     |     |   U.S. Concrete Pumping   |    |  $ |  (9,046  |  ) |    |  $ |  (4,449  |  ) |    |  $ |  (22,758  |  ) |    |  $ |  (1,154  |  ) |    |  $ |  (12,527  |  ) |     |   U.K. Concrete Pumping   |    |    |  (796  |  ) |    |    |  (1,024  |  ) |    |    |  (1,994  |  ) |    |    |  (490  |  ) |    |    |  (3,159  |  ) |     |   Eco-Pan   |    |    |  (1  |  ) |    |    |  (0  |  ) |    |    |  (1  |  ) |    |    |  -  |    |    |    |  -  |    |     |   Corporate   |    |    |  -  |    |    |    |  (4  |  ) |    |    |  -  |    |    |    |  -  |    |    |    |  (4  |  ) |     |   |    |  $ |  (9,843  |  ) |    |  $ |  (5,477  |  ) |    |  $ |  (24,753  |  ) |    |  $ |  (1,644  |  ) |    |  $ |  (15,690  |  ) |     |   |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |     | 
   
Transaction costs including debt extinguishment    |    |    |     |   |     |    |     |   |     |    |     |   |     |    |     |   |     |     |   U.S. Concrete Pumping   |    |  $ |  1,458  |    |    |  $ |  1,395  |    |    |  $ |  1,458  |    |    |  $ |  -  |    |    |  $ |  -  |    |     |   Corporate   |    |    |  (1,282  |  ) |    |    |  -  |    |    |    |  -  |    |    |    |  30,562  |    |    |    |  2,520  |    |     |   |    |  $ |  176  |    |    |  $ |  1,395  |    |    |  $ |  1,458  |    |    |  $ |  30,562  |    |    |  $ |  2,520  |    |            Total assets by segment for the periods presented are as follows:         |   |    |     |    |    |     |    |     |   |    |     |    |    |     |    |     |    |    |     |    |    |     |    |     |    |    |     |     |     |    |     |     |     |     |   U.S. Concrete Pumping   |    |  $ |  633,934  |    |    |  $ |  278,027  |    |     |   U.K. Concrete Pumping   |    |    |  130,936  |    |    |    |  79,832  |    |     |   Eco-Pan   |    |    |  135,018  |    |    |    |  32,781  |    |     |   Corporate   |    |    |  25,494  |    |    |    |  20,260  |    |     |   Intersegment   |    |    |  (60,020  |  ) |    |    |  (40,756  |  ) |     |   |    |  $ |  865,361  |    |    |  $ |  370,144  |    |           
 The U.S. and U.K. were the only regions that accounted for more than  10%  of the Company’s revenues for the periods presented. There was  no  single customer that accounted for more than  10%  of revenues for the periods presented. Revenues for the periods presented and long lived assets as of   July 31, 2019  and   October 31, 2018  are as follows:          |   |    |     |    |    |     |    |    |     |    |    |     |    |     |    |    |      |    |    |      |    |    |   December 6, 2018  through  July 31,  2019    |    |    |   November 1, 2018  through  December 5,  2018    |    |    |       |    |     |    |    |     |     |     |    |     |     |     |    |     |     |     |    |     |     |     |    |     |     |     |     |   U.S.   |    |  $ |  66,163  |    |    |  $ |  52,771  |    |    |  $ |  143,617  |    |    |  $ |  19,253  |    |    |  $ |  139,149  |    |     |   U.K.   |    |    |  12,492  |    |    |    |  13,877  |    |    |    |  30,996  |    |    |    |  5,143  |    |    |    |  36,705  |    |     |   |    |  $ |  78,655  |    |    |  $ |  66,649  |    |    |  $ |  174,613  |    |    |  $ |  24,396  |    |    |  $ |  175,854  |    |                |   |    |     |    |    |     |    |     |   |    |     |    |    |     |    |     |    |    |     |    |    |     |    |     Property, plant and equipment, net  |    |     |     |     |    |     |     |     |     |   U.S.   |    |  $ |  256,964  |    |    |  $ |  167,368  |    |     |   U.K.   |    |    |  40,121  |    |    |    |  34,547  |    |     |   |    |  $ |  297,085  |    |    |  $ |  201,915  |    |        
 
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