SUPPLEMENTAL CASH FLOW INFORMATION

3 Months Ended

Mar. 31, 2019

SUPPLEMENTAL CASH FLOW INFORMATION [Abstract]

SUPPLEMENTAL CASH FLOW INFORMATION

12.SUPPLEMENTAL CASH FLOW INFORMATION

Supplemental cash flow information for the three months ended March 31, 2019 and 2018 is as follows:

($ in thousands)		2019		2018
Interest paid	$	72	$	46
Federal, state, and local income taxes paid (refund), net	$	3,476	$	(15)
Change in contract receivables, net	$	(817)	$	(13,518)
Change in contract liabilities, net	$	817	$	13,518
Property, plant, and equipment purchases in accounts payable	$	520	$	90