Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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GOODWILL AND INTANGIBLE ASSETS (Goodwill Roll Forward) (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Mar. 05, 2014	Apr. 30, 2014	Jun. 06, 2014
Goodwill [Roll Forward]
Balance beginning of period				$ 22,268,000us-gaap_Goodwill				$ 22,698,000us-gaap_Goodwill	$ 22,268,000us-gaap_Goodwill	$ 22,698,000us-gaap_Goodwill
Goodwill written-off	(2,241,000)us-gaap_GoodwillImpairmentLoss	0us-gaap_GoodwillImpairmentLoss	0us-gaap_GoodwillImpairmentLoss	0us-gaap_GoodwillImpairmentLoss	0us-gaap_GoodwillImpairmentLoss	0us-gaap_GoodwillImpairmentLoss	0us-gaap_GoodwillImpairmentLoss	0us-gaap_GoodwillImpairmentLoss	(2,241,000)us-gaap_GoodwillImpairmentLoss	0us-gaap_GoodwillImpairmentLoss	0us-gaap_GoodwillImpairmentLoss
Net effect of foreign currency exchange rate changes									(1,825,000)us-gaap_GoodwillTranslationAdjustments	(430,000)us-gaap_GoodwillTranslationAdjustments
Balance end of period	57,417,000us-gaap_Goodwill				22,268,000us-gaap_Goodwill				57,417,000us-gaap_Goodwill	22,268,000us-gaap_Goodwill	22,698,000us-gaap_Goodwill
North America
Goodwill [Roll Forward]
Balance beginning of period				16,438,000				16,643,000	16,438,000	16,643,000
Goodwill written-off									0
Net effect of foreign currency exchange rate changes									(224,000)	(205,000)
Balance end of period	31,078,000				16,438,000				31,078,000	16,438,000
Europe
Goodwill [Roll Forward]
Balance beginning of period				2,864,000				2,864,000	2,864,000	2,864,000
Goodwill written-off									0
Net effect of foreign currency exchange rate changes									(876,000)	0
Balance end of period	26,339,000				2,864,000				26,339,000	2,864,000
Russia
Goodwill [Roll Forward]
Balance beginning of period				2,966,000				3,191,000	2,966,000	3,191,000
Goodwill written-off									(2,241,000)
Net effect of foreign currency exchange rate changes									(725,000)	(225,000)
Balance end of period	0				2,966,000				0	2,966,000
Netsoft
Goodwill [Roll Forward]
Balance beginning of period												2,776,000
Acquisition									2,749,000
Balance end of period	2,749,000								2,749,000			2,776,000
Netsoft \| North America
Goodwill [Roll Forward]
Acquisition									2,749,000
Netsoft \| Europe
Goodwill [Roll Forward]
Acquisition									0
Netsoft \| Russia
Goodwill [Roll Forward]
Acquisition									0
Jointech
Goodwill [Roll Forward]
Balance beginning of period													11,033,000
Acquisition									17,404,000
Balance end of period	17,404,000								17,404,000				11,033,000
Jointech \| North America
Goodwill [Roll Forward]
Acquisition									0
Jointech \| Europe
Goodwill [Roll Forward]
Acquisition									17,404,000
Jointech \| Russia
Goodwill [Roll Forward]
Acquisition									0
GGA
Goodwill [Roll Forward]
Balance beginning of period														6,496,000
Acquisition									12,115,000
Balance end of period	12,115,000								12,115,000					6,496,000
GGA \| North America
Goodwill [Roll Forward]
Acquisition									12,115,000
GGA \| Europe
Goodwill [Roll Forward]
Acquisition									0
GGA \| Russia
Goodwill [Roll Forward]
Acquisition									0
Great Fridays
Goodwill [Roll Forward]
Acquisition									6,947,000
Balance end of period	6,947,000								6,947,000
Great Fridays \| North America
Goodwill [Roll Forward]
Acquisition									0
Great Fridays \| Europe
Goodwill [Roll Forward]
Acquisition									6,947,000
Great Fridays \| Russia
Goodwill [Roll Forward]
Acquisition									$ 0