CREDIT AGREEMENTS - Credit Facilities (Details) - 6 months ended Jun. 30, 2017 SGD in Thousands, NZD in Thousands, AUD in Thousands, $ in Thousands	AUD Rate	NZD Rate	SGD Rate	USD ($) Rate
Lloyds
Line of Credit Facility [Line Items]
Line of Credit Facility, Current Borrowing Capacity				$ 9,550
Less: outstanding borrowing				(848)
Additional borrowing availability				$ 8,702
Interest rates on outstanding borrowing	2.00%	2.00%	2.00%	2.00%
Lloyds [Member]
Line of Credit Facility [Line Items]
Debt Turns in days	55
National Australia Bank Limited and Bank of New Zealand [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Covenants, Minimum Fixed Charges Coverage Ratio Required | Rate	150.00%	150.00%	150.00%	150.00%
Line of Credit Facility, Covenants, Minimum Receivables Ratio | Rate	120.00%	120.00%	120.00%	120.00%
Financial Guarantee Facility | National Australia Bank Limited and Bank of New Zealand [Member]
Line of Credit Facility [Line Items]
Less: outstanding borrowing				$ (2,024)
Line of Credit Facility, Additional Availability for Financial Guarantee				$ 283
Interest rates on financial guarantee requested	1.50%	1.50%	1.50%	1.50%
Singapore Subsidiary | Lending Arrangements Singapore Bank
Line of Credit Facility [Line Items]
Line of Credit Facility, Current Borrowing Capacity			SGD 200	$ 145
Less: outstanding borrowing			(156)	(114)
Additional borrowing availability			SGD 44	32
NEW ZEALAND | New Zealand Receivables Agreement [Member] | National Australia Bank Limited and Bank of New Zealand [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Fee Amount		NZD 1		1
Line of Credit Facility, Current Borrowing Capacity				2,256
Less: outstanding borrowing				0
Additional borrowing availability				$ 2,256
Interest rates on outstanding borrowing	4.00%	4.00%	4.00%	4.00%
Australia [Member] [Member] | Australian Receivables Facility [Member] [Domain] | National Australia Bank Limited and Bank of New Zealand [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Fee Amount	AUD 6			$ 5
Line of Credit Facility, Current Borrowing Capacity				16,413
Less: outstanding borrowing				(5,801)
Additional borrowing availability				$ 10,612
Interest rates on outstanding borrowing	3.17%	3.17%	3.17%	3.17%