Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Textual)

Stockholders' Equity (Details Textual) - $ / shares
9 Months Ended
Sep. 30, 2018
Dec. 31, 2017
Apr. 10, 2017
Preferred Stock, Shares Authorized 1,000,000 1,000,000  
Conversion of Stock, Description The Series A Preferred Stock will not pay dividends and will be convertible into shares of Industrea common stock at a 1:1 ratio (subject to customary adjustments) at any time following six months after the Closing. Newco will have the right to redeem all or a portion of the Series A Preferred Stock at its election after four years for cash at a redemption price equal to the amount of the principal investment plus an additional cumulative amount that will accrue at an annual rate of 7.0% thereon. In addition, if the volume weighted average price of shares of Newco common stock equals or exceeds $13.00 for 30 consecutive days, then Newco shall have the right to require the holder of the Series A Preferred Stock to convert its Series A Preferred Stock into Newco common stock, at a ratio of 1:1 (subject to customary adjustments).    
Common Class A [Member]      
Common Stock, Shares Authorized 200,000,000 200,000,000  
Common Stock, Par or Stated Value Per Share $ 0.0001 $ 0.0001  
Common Stock, Shares, Issued 1,382,446 1,184,037  
Common Stock, Shares, Outstanding 1,382,446 1,184,037  
Temporary Equity, Shares Authorized 21,617,554 21,815,963  
Common Class B [Member]      
Common Stock, Shares Authorized 20,000,000 20,000,000  
Common Stock, Par or Stated Value Per Share $ 0.0001 $ 0.0001 $ 0.0001
Common Stock, Shares, Issued 5,750,000 5,750,000  
Common Stock, Shares, Outstanding 5,750,000 5,750,000  
Conversion of Stock, Description so that the number of shares of Class A common stock issuable upon conversion of all shares of Class B common stock will equal, in the aggregate, on an as-converted basis, 20% of the sum of the total number of all shares of common stock outstanding upon the completion of the Initial Public Offering