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. 30, 2015	Dec. 31, 2015 USD ($) Rate	Dec. 31, 2015 AUD Rate	Dec. 31, 2015 GBP (£) Rate	Dec. 31, 2015 NZD Rate	Dec. 31, 2015 EUR (€) Rate	Dec. 31, 2015 SGD Rate
Line of Credit Facility [Line Items]
Line of credit facility, average outstanding amount		$ 3,989
Debt, weighted average interest rate		3.42%	3.42%	3.42%	3.42%	3.42%	3.42%
Lloyds [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Covenant, Minimum Availability Required		$ 2,947		£ 2,000
Debt instrument, interest rate increase		1.75%
Initial Term (in Years) of the Credit Agreement		2
Renewal Term (in months) after the initial term of the Lloyds Agreement		3
Line of Credit Facility, Maximum Borrowing Capacity		$ 22,104		£ 15,000
Percentage of true credit note dilution limit		5.00%
Debt Turns in days		55
Debt Turn rolling period in months		3
Lloyds [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Less: outstanding borrowing		$ 0
Interest rates on outstanding borrowing		2.25%	2.25%	2.25%	2.25%	2.25%	2.25%
Line of credit facility, minimum excess availability		$ 7,202
Borrowing capacity		7,202
Lloyds [Member] | Credit Facility Lending based on Billed Revenue [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 17,683		£ 12,000
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		$ 4,421		£ 3,000
Percentage of eligible Temp receivable		75.00%
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		$ 2,186	AUD 3,000
Debt Instrument, Fee Percent		1.50%
Less: outstanding financial guarantee requested		$ 0
Additional availability for financial guarantee		$ 2,186
Interest rates on financial guarantee requested		2.10%	2.10%	2.10%	2.10%	2.10%	2.10%
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		$ 2,915	AUD 4,000
National Australia Bank Limited [Member] | Financial Guarantee Facility [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Fee Percent		0.30%
Westpac Bank | Financial Guarantee Facility [Member]
Line of Credit Facility [Line Items]
Less: outstanding borrowing		$ 1,765
Lending Arrangements Belgium, Netherlands and Singapore Banks | Overdraft Facility [Member]
Line of Credit Facility [Line Items]
Less: outstanding borrowing		$ 0
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%
Australia | 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, Fair Value of Amount Outstanding		$ (2,368)
Debt instrument, interest rate increase		1.50%
Interest rates on outstanding borrowing		3.60%	3.60%	3.60%	3.60%	3.60%	3.60%
Line of credit facility, minimum excess availability		$ 10,387
Borrowing capacity		12,755
Line of Credit Facility, Maximum Borrowing Capacity		18,218	AUD 25,000
Debt Instrument, Fee Amount		5	AUD 6
New Zealand Subsidiary | National Australia Bank Limited and Bank of New Zealand [Member] | New Zealand Receivables Agreement [Member]
Line of Credit Facility [Line Items]
Less: outstanding borrowing		$ 0
Interest rates on outstanding borrowing		4.88%	4.88%	4.88%	4.88%	4.88%	4.88%
LIne of Credit Facility, Notice Period		90 days
Line of credit facility, minimum excess availability		$ 1,688
Borrowing capacity		1,688
Line of Credit Facility, Maximum Borrowing Capacity		3,417			NZD 5,000
Debt Instrument, Fee Amount		$ 1			NZD 1
Belgium Subsidiary | Lending Arrangements Belgium Bank | Overdraft Facility [Member]
Line of Credit Facility [Line Items]
LIne of Credit Facility, Notice Period		15 days
Line of Credit Facility, Maximum Borrowing Capacity		$ 1,086				€ 1,000
Singapore Subsidiary | Overdraft Facility [Member] | 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]
Lending arrangement expiration	1 year
Line of Credit Facility, Maximum Borrowing Capacity		$ 141					SGD 200
Singapore Subsidiary | Lending Arrangements Singapore Bank | Overdraft Facility [Member] | 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%
Hudson Information Technology (US) Business [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Termination Fee		$ 161
Payments to Secure Letter of Credit		$ 417