PURCHASE OF ATLANTIC PROJECTS COMPANY LIMITED - Additional information (Details) - May. 29, 2015 - Atlantic Projects Company Limited [Member]	USD ($) country item shares
Business Acquisition [Line Items]
Acquisition date	May 29, 2015
Percentage of capital stock acquired	100.00%
Acquisition related Share Purchase Agreement date	May 11, 2015
Number of continents in which entity operates | item	6
Acquisition, purchase price Consideration	$ 11,101,000
Cash paid at closing	6,484,000
Liability representing cash held back	$ 1,081,000
Escrow period	12 months
Common stock value issued	$ 3,536,000
Dividends declared by APC prior to acquisition	$ 3,311,000
Minimum [Member]
Business Acquisition [Line Items]
Number of countries in which entity operates | country	30
Common Stock [Member]
Business Acquisition [Line Items]
Acquisition, number of shares Consideration | shares	99,000
Common stock value issued	$ 3,536,000