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Accounts Receivable (Tables)
 6 Months Ended
Jun. 30, 2017
Accounts Receivable.  
Summary of accounts receivable

 

 

 

 

 

 

 

 

 

 

June 30, 

 

December 31, 

 

 

 

2017

 

2016

 

Contracts receivable, net of allowance for doubtful accounts of $1,654 at June 30, 2017 and $1,030 at December 31, 2016, respectively

 

$

294,670

 

$

340,871

 

Retention receivable

 

 

56,251

 

 

46,394

 

 

 

 

350,921

 

 

387,265

 

Other accounts receivable

 

 

4,310

 

 

735

 

 

 

$

355,231

 

$

388,000