CREDIT AGREEMENTS CREDIT AGREEMENTS (Details) € in Thousands, £ in Thousands, SGD in Thousands, NZD in Thousands, AUD in Thousands, $ in Thousands		9 Months Ended	12 Months Ended
	Sep. 15, 2016 USD ($)	Sep. 30, 2015	Dec. 31, 2016 USD ($) Rate	Dec. 31, 2016 AUD Rate	Dec. 31, 2016 SGD Rate	Dec. 31, 2016 GBP (£) Rate	Dec. 31, 2016 NZD Rate	Dec. 31, 2016 EUR (€) Rate	Sep. 15, 2016 GBP (£)	Aug. 01, 2014 USD ($)	Aug. 01, 2014 GBP (£)
Line of Credit Facility [Line Items]
Line of credit facility, average outstanding amount			$ 7,385
Debt, weighted average interest rate			3.37%	3.37%	3.37%	3.37%	3.37%	3.37%
Overdraft Facility [Member] | Singapore Subsidiary | Singapore Prime Rate
Line of Credit Facility [Line Items]
Debt instrument, interest rate increase			1.75%
Lloyds [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 14,814								£ 12,000	$ 18,518	£ 15,000
Initial Term (in Years) of the Credit Agreement			2
Renewal Term (in months) after the initial term of the Lloyds Agreement			3
Debt instrument, interest rate increase	1.75%
Percentage of true credit note dilution limit			5.00%
Debt Turns in days			55
Debt Turn rolling period in months			3
Line of Credit Facility, Covenant, Minimum Availability Required			$ 2,469			£ 2,000
Lloyds [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Borrowing capacity			7,380
Less: outstanding borrowing			(19)
Line of credit facility, minimum excess availability			$ 7,361
Interest rates on outstanding borrowing			2.00%	2.00%	2.00%	2.00%	2.00%	2.00%
Lloyds [Member] | Credit Facility Lending based on Billed Revenue [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 14,197								11,500
Percentage of eligible Temp receivable	83.00%
Lloyds [Member] | Credit Facility Lending based on Unbilled Revenue [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 617								£ 500
Percentage of eligible Permanent receivable	25.00%
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%	150.00%	150.00%
Line of Credit Facility, Covenants, Minimum Receivables Ratio | Rate			120.00%	120.00%	120.00%	120.00%	120.00%	120.00%
National Australia Bank Limited and Bank of New Zealand [Member] | Financial Guarantee Facility [Member]
Line of Credit Facility [Line Items]
Financial guarantee capacity			$ 2,161	AUD 3,000
Debt Instrument, Fee Percent			1.50%
Less: outstanding financial guarantee requested			$ (1,901)
Additional availability for financial guarantee			$ 260
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			$ 2,881	AUD 4,000
National Australia Bank Limited and Bank of New Zealand [Member] | Australian Receivables Facility [Member] [Domain] | Australia
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity			$ 18,005	AUD 25,000
Debt instrument, interest rate increase			1.50%
Borrowing capacity			$ 15,606
Line of credit facility, minimum excess availability			$ 7,855
Interest rates on outstanding borrowing			3.17%	3.17%	3.17%	3.17%	3.17%	3.17%
Debt Instrument, Fee Amount			$ 5	AUD 6
Line of Credit Facility, Fair Value of Amount Outstanding			(7,751)
National Australia Bank Limited and Bank of New Zealand [Member] | New Zealand Receivables Agreement [Member] | New Zealand Subsidiary
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity			3,463				NZD 5,000
Borrowing capacity			2,231
Less: outstanding borrowing			0
Line of credit facility, minimum excess availability			$ 2,231
Interest rates on outstanding borrowing			4.00%	4.00%	4.00%	4.00%	4.00%	4.00%
Debt Instrument, Fee Amount			$ 1				NZD 1
LIne of Credit Facility, Notice Period			90 days
National Australia Bank Limited [Member] | Financial Guarantee Facility [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Fee Percent			0.30%
Lending Arrangements Belgium, Netherlands and Singapore Banks | Overdraft Facility [Member]
Line of Credit Facility [Line Items]
Less: outstanding borrowing			$ 0
Lending Arrangements Belgium Bank | Overdraft Facility [Member] | Belgium Subsidiary
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity			$ 1,052					€ 1,000
LIne of Credit Facility, Notice Period			15 days
Lending Arrangements Netherlands and Belgium Banks | Overdraft Facility [Member] | EURIBOR
Line of Credit Facility [Line Items]
Interest rates on outstanding borrowing			2.75%	2.75%	2.75%	2.75%	2.75%	2.75%
Lending Arrangements Singapore Bank | Singapore Subsidiary
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity			$ 138		SGD 200
Lending arrangement expiration		1 year
Lending Arrangements Singapore Bank | Overdraft Facility [Member] | Singapore Subsidiary | 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%