2. BILLINGS, COSTS AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Billings In Excess Of Costs And Estimated Earnings On Uncompleted Contracts And Deferred Revenues
Costs incurred on uncompleted contracts	$ 14,496	$ 9,915
Estimated earnings on uncompleted contracts	5,539	4,714
Gross costs and estimated earnings	20,035	14,629
Less: Billings to date on uncompleted contracts	(14,389)	(12,835)
Costs incurred plus estimated earning less billings on uncompleted contracts	5,646	1,794
Included in the accompanying condensed consolidated balance sheets under the following captions:
Costs and estimated earnings in excess of billings on uncompleted contracts	5,847	2,547
Billings in excess of costs and estimated earnings on uncompleted contracts	(201)	(753)
Total costs and estimated earnings and billings in excess of cost on uncompleted contracts	$ 5,646	$ 1,794