CREDIT AGREEMENTS (Details) € in Thousands, £ in Thousands, SGD in Thousands, NZD in Thousands, AUD in Thousands, $ in Thousands			3 Months Ended
	Sep. 15, 2016 GBP (£)	Aug. 01, 2014 GBP (£)	Mar. 31, 2017 USD ($)	Mar. 31, 2017 NZD	Mar. 31, 2017 SGD	Mar. 31, 2017 GBP (£)	Mar. 31, 2017 AUD	Mar. 31, 2017 USD ($)	Mar. 31, 2017 EUR (€)	Sep. 15, 2016 USD ($)	Aug. 01, 2014 USD ($)
Lloyds
Line of Credit Facility [Line Items]
Debt Instrument, Term		2 years
Line of Credit Facility, Maximum Borrowing Capacity	£ 12,000	£ 15,000						$ 8,063		$ 15,058	$ 18,822
Line of credit facility, covenant, maximum credit dilution			5.00%
Additional borrowing availability								$ 5,005
Interest rates on outstanding borrowing				2.00%	2.00%	2.00%	2.00%	2.00%	2.00%
Minimum availability required						£ 2,000		$ 2,510
Line of Credit Facility, Fair Value of Amount Outstanding								(3,058)
Debt Instrument, Renewal Term		3 months
Debt Instrument, Rolling Period			3 months
Lloyds | Credit Facility Lending based on Billed Revenue [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	£ 11,500									14,430
Eligible work in progress temporary receivables	83.00%
Lloyds | Credit Facility Lending based on Unbilled Revenue [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	£ 500									$ 627
Eligible work in progress permanent receivables	25.00%
Lloyds [Member]
Line of Credit Facility [Line Items]
Debt Turns in days			55
National Australia Bank Limited and Bank of New Zealand [Member] | Financial Guarantee Facility
Line of Credit Facility [Line Items]
Financial guarantee capacity							AUD 3,000	2,289
Debt Instrument, Fee Percent			1.50%
Outstanding Borrowings								(2,001)
Additional availability for financial guarantee								$ 288
Interest rates on financial guarantee requested				1.50%	1.50%	1.50%	1.50%	1.50%	1.50%
National Australia Bank Limited and Bank of New Zealand [Member] | Australian Receivables Facility [Member] [Domain]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity							AUD 4,000	$ 3,052
National Australia Bank Limited [Member] | Financial Guarantee Facility
Line of Credit Facility [Line Items]
Debt Instrument, Fee Percent			0.30%
Lending Arrangements Belgium, Netherlands, Singapore, and Mainland China Banks | Overdraft Facility
Line of Credit Facility [Line Items]
Line of credit facility, average outstanding amount			$ 10,991
Debt, weighted average interest rate				3.04%	3.04%	3.04%	3.04%	3.04%	3.04%
Lending Arrangements Netherlands and Belgium Banks | Overdraft Facility | EURIBOR
Line of Credit Facility [Line Items]
Interest rates on outstanding borrowing				2.75%	2.75%	2.75%	2.75%	2.75%	2.75%
Base Rate | Lloyds
Line of Credit Facility [Line Items]
Debt instrument, interest rate increase			1.75%
Singapore Subsidiary | Overdraft Facility | Singapore Prime Rate
Line of Credit Facility [Line Items]
Debt instrument, interest rate increase			1.75%
Singapore Subsidiary | Lending Arrangements Singapore Bank
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity					SGD 200			$ 143
Additional borrowing availability					103			74
Lending arrangement expiration			1 year
Line of Credit Facility, Fair Value of Amount Outstanding					SGD (97)			$ (70)
Singapore Subsidiary | Lending Arrangements Singapore Bank | Overdraft Facility | Singapore Prime Rate
Line of Credit Facility [Line Items]
Interest rates on outstanding borrowing				6.00%	6.00%	6.00%	6.00%	6.00%	6.00%
NEW ZEALAND | National Australia Bank Limited and Bank of New Zealand [Member] | New Zealand Receivables Agreement [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity				NZD 5,000				$ 3,504
LIne of Credit Facility, Notice Period			90 days
Additional borrowing availability								$ 2,052
Interest rates on outstanding borrowing				3.99%	3.99%	3.99%	3.99%	3.99%	3.99%
Debt Instrument, Fee Amount				NZD 1				$ 1
Long-term Line of Credit								(116)
Line of Credit Facility, Current Borrowing Capacity								2,168
Australia [Member] [Member] | National Australia Bank Limited and Bank of New Zealand [Member] | Australian Receivables Facility [Member] [Domain]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity							AUD 25,000	19,073
Debt instrument, interest rate increase			1.50%
Additional borrowing availability								$ 6,836
Interest rates on outstanding borrowing				3.19%	3.19%	3.19%	3.19%	3.19%	3.19%
Debt Instrument, Fee Amount							AUD 6	$ 5
Line of Credit Facility, Current Borrowing Capacity								14,902
Line of Credit Facility, Fair Value of Amount Outstanding								(8,066)
Belgium Subsidiary | Lending Arrangements Belgium Bank | Overdraft Facility
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity								$ 1,066	€ 1,000
LIne of Credit Facility, Notice Period			15 days