CREDIT AGREEMENTS - Credit Facilities (Details) - 9 months ended Sep. 30, 2017 SGD in Thousands, NZD in Thousands, AUD in Thousands, $ in Thousands	NZD Rate	SGD Rate	AUD Rate	USD ($) Rate
Lloyds
Line of Credit Facility [Line Items]
Line of Credit Facility, Current Borrowing Capacity				$ 7,149
Less: outstanding borrowing				(1,873)
Additional borrowing availability				$ 5,276
Interest rates on outstanding borrowing	2.00%	2.00%	2.00%	2.00%
Lloyds
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				$ (2,055)
Line of Credit Facility, Additional Availability for Financial Guarantee				$ 295
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		$ 147
Less: outstanding borrowing		(32)		(24)
Additional borrowing availability		SGD 168		124
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				2,075
Less: outstanding borrowing				0
Additional borrowing availability				$ 2,075
Interest rates on outstanding borrowing	3.99%	3.99%	3.99%	3.99%
Australia | 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				17,753
Less: outstanding borrowing				(6,309)
Additional borrowing availability				$ 11,444
Interest rates on outstanding borrowing	3.15%	3.15%	3.15%	3.15%