Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies (Details)

v3.8.0.1
Significant Accounting Policies (Details) - USD ($)
$ / shares in Units, $ in Thousands
5 Months Ended 12 Months Ended
Dec. 31, 2016
Dec. 31, 2017
EPS numerator:    
Net income (loss) $ (698) $ 712
Less: Undistributed preferred stock dividends (423) (809)
Less: Premium paid on partial preferred redemption 0 847
Net loss attributable to Limbach Holdings, Inc. common stockholders $ (1,121) $ (944)
EPS denominator:    
Weighted average shares outstanding - basic (in shares) 6,039,875 7,471,371
Impact of dilutive securities (in shares)
Warrants in the money 0 0
Nonvested Restricted Stock Units 0 0
UPOs in the money 0 0
Weighted average shares outstanding - diluted 6,039,875 7,471,371
Basic EPS attributable to common stockholders:    
Net loss attributable to Limbach Holdings, Inc. common stockholders (in dollars per share) $ (0.19) $ (0.13)
Diluted EPS attributable to common stockholders:    
Net loss attributable to Limbach Holdings, Inc. common stockholders (in dollars per share) $ (0.19) $ (0.13)