Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable (Tables)

v3.19.1
Accounts Receivable (Tables)
3 Months Ended
Mar. 31, 2019
Accounts Receivable [Abstract]  
Summary of accounts receivable

 

 

March 31,

2019

 

 

December 31,

2018

 


Billed: 

 

 

 

 

 

 


Block sales

 

$

 

 

$

14,723

 


Construction services


2,826,999


1,619,498

Engineering services

 

 

416,894

 

 

 

400,877

 


Retainage receivable

 

 

544,910

 

 

 

543,417

 


Other receivable


7,706


7,706

Total gross receivables

 

 

3,796,509

 

 

 

2,586,221

 


Less: allowance for doubtful accounts (1)

 

 

(839,895

)

 

 

(839,895

)


Total net receivables

 

$

2,956,614

 

 

$

1,746,326

 


(1) The allowance for doubtful accounts is primarily due to unpaid billings on a contract that is currently in dispute.