Quarterly report pursuant to Section 13 or 15(d)

Business Combination (Details Textual)

v3.8.0.1
Business Combination (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 2 Months Ended 3 Months Ended 7 Months Ended 9 Months Ended
Jul. 19, 2016
Sep. 30, 2016
Sep. 30, 2017
Jul. 19, 2016
Sep. 30, 2017
Business Acquisition [Line Items]          
Share-based Compensation   $ 0 $ 924   $ 924
Class of Warrant or Right, Exercise Price of Warrants or Rights     $ 15.00   $ 15.00
Merger Warrants [Member]          
Business Acquisition [Line Items]          
Class of Warrant or Right, Exercise Price of Warrants or Rights     12.50   12.50
Additional Merger Warrants [Member]          
Business Acquisition [Line Items]          
Class of Warrant or Right, Exercise Price of Warrants or Rights     $ 11.50   $ 11.50
Selling, General and Administrative Expenses [Member]          
Business Acquisition [Line Items]          
Business Acquisition, Transaction Costs   100      
1347 Capital Corp [Member]          
Business Acquisition [Line Items]          
Business Acquisition, Transaction Costs   $ 5,900      
Predecessor [Member]          
Business Acquisition [Line Items]          
Share-based Compensation $ 1,500     $ 1,349  
Limbach [Member]          
Business Acquisition [Line Items]          
Payments to Acquire Businesses, Gross $ 32,400        
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares 2,200,005        
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned $ 17,500     $ 17,500  
Limbach [Member] | Merger Warrants [Member]          
Business Acquisition [Line Items]          
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 12.50     $ 12.50  
Business Acquisition, Number Of Warrants Issued 666,670        
Business Acquisition, Value Of Warrants Issued $ 500        
Limbach [Member] | Additional Merger Warrants [Member]          
Business Acquisition [Line Items]          
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 11.50     $ 11.50  
Business Acquisition, Number Of Warrants Issued 1,000,006        
Business Acquisition, Value Of Warrants Issued $ 600        
Limbach [Member] | Predecessor [Member]          
Business Acquisition [Line Items]          
Payments to Acquire Businesses, Gross $ 33,000