4. BILLINGS, COSTS AND ESTIMATED EARNINGS (Tables)

3 Months Ended

Mar. 31, 2016

Contractors [Abstract]

COSTS, ESTIMATED EARNINGS AND BILLINGS ON UNCOMPLETED CONTRACTS

	March 31, 2016			December 31, 2015
Costs incurred on uncompleted contracts	$	3,746		$	3,220
Estimated earnings on uncompleted contracts		2,360			2,282
		6,106			5,502
Less: Billings to date on uncompleted contracts		(5,436	)		(4,194	)
	$	670		$	1,308
Included in the accompanying condensed consolidated balance sheets under the following captions:
Costs and estimated earnings in excess of billings on uncompleted contracts	$	910		$	1,354
Billings in excess of costs and estimated earnings on uncompleted contracts		(240	)		(46	)
	$	670		$	1,308