Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable and Allowance for Doubtful Accounts (Tables)

v3.8.0.1
Accounts Receivable and Allowance for Doubtful Accounts (Tables)
3 Months Ended
Mar. 31, 2018
Receivables [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Accounts receivable and the allowance for uncollectible accounts are comprised of the following:
 
(in thousands)
 
March 31, 2018
 
December 31, 2017
 
Accounts receivable
 
$
100,675
 
$
103,506
 
Retainage
 
 
26,404
 
 
26,070
 
Allowance for doubtful accounts
 
 
(236)
 
 
(233)
 
Accounts receivable, net
 
$
126,843
 
$
129,343