INCOME TAXES (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income (loss) before income taxes
Domestic									$ 3,913,000	$ 2,104,000	$ (69,932,000)
Foreign									5,130,000	1,136,000	5,669,000
Income (loss) before taxes	2,361,000	1,111,000	3,635,000	1,936,000	909,000	1,557,000	1,422,000	(648,000)	9,043,000	3,240,000	(64,263,000)
Current:
Federal									3,917,000	3,330,000	1,195,000
State									339,000	862,000	291,000
Foreign									1,825,000	1,088,000	1,191,000
Total current provision									6,081,000	5,280,000	2,677,000
Deferred:
Federal									(1,609,000)	(1,824,000)	(9,307,000)
State									(86,000)	(503,000)	(1,091,000)
Foreign									(119,000)	(316,000)	(605,000)
Total deferred benefit									(1,814,000)	(2,643,000)	(11,003,000)
Income tax provision (benefit)									4,267,000	2,637,000	(8,326,000)
U.S. federal statutory income tax rate (as a percent)									35.00%	35.00%	35.00%
Differences between the effective tax rates reflected in the total provision for income taxes and the U.S. federal statutory rate
Tax provision (benefit) computed at 35%									3,165,000	1,134,000	(22,492,000)
Nondeductible goodwill impairment											12,010,000
Nondeductible expenses									541,000	158,000	193,000
State income taxes, net of federal benefit									145,000	94,000	(899,000)
Derecognition of stock compensation deferred tax asset										451,000	1,255,000
Tax impact of foreign operations									518,000	784,000	1,607,000
Other									(102,000)	16,000
Income tax provision (benefit)									4,267,000	2,637,000	(8,326,000)
Effective income tax rates (as a percent)									47.20%	81.40%	13.00%
Current deferred tax asset
Compensation related expenses	456,000				426,000				456,000	426,000
Valuation allowance for deferred tax assets	(432,000)								(432,000)
Accruals and reserves	1,058,000				1,102,000				1,058,000	1,102,000
Total current deferred tax asset	1,082,000				1,528,000				1,082,000	1,528,000
Current deferred tax liability
Prepaids	(257,000)				(315,000)				(257,000)	(315,000)
Total current deferred tax liability	(257,000)				(315,000)				(257,000)	(315,000)
Net current deferred tax asset	825,000				1,213,000				825,000	1,213,000
Noncurrent deferred tax asset
Compensation related expenses	1,006,000				1,198,000				1,006,000	1,198,000
Foreign currency translation	1,500,000				1,252,000				1,500,000	1,252,000
Foreign tax credit carryovers	1,739,000				1,108,000				1,739,000	1,108,000
Foreign net operating loss carryovers	5,102,000				4,478,000				5,102,000	4,478,000
U.S. net operating loss carryovers	368,000				384,000				368,000	384,000
Other	333,000								333,000
Valuation allowance for deferred tax assets	(5,862,000)				(5,039,000)				(5,862,000)	(5,039,000)
Total noncurrent deferred tax asset	4,186,000				3,381,000				4,186,000	3,381,000
Noncurrent deferred tax liability
Depreciable assets	(239,000)				(26,000)				(239,000)	(26,000)
Intangible assets	(5,158,000)				(7,373,000)				(5,158,000)	(7,373,000)
Investment in foreign subsidiaries	(1,221,000)				(1,714,000)				(1,221,000)	(1,714,000)
Total noncurrent deferred tax liability	(6,618,000)				(9,113,000)				(6,618,000)	(9,113,000)
Net noncurrent deferred tax liability	(2,432,000)				(5,732,000)				(2,432,000)	(5,732,000)
Net deferred tax liability	(1,607,000)				(4,519,000)				(1,607,000)	(4,519,000)
Reconciliation of the total amounts of unrecognized tax benefits at the beginning and end of the period
Balance, beginning of year				2,470,000				2,087,000	2,470,000	2,087,000	508,000
Reductions as a result of tax positions taken during a prior period									(139,000)
Additions as a result of tax positions taken during the current period									110,000	383,000	42,000
Reductions as a result of settlement with tax authorities									(139,000)
Reductions as a result of lapse of statute									(14,000)
Additions as a result of acquisitions											1,537,000
Balance, end of year	2,288,000				2,470,000				2,288,000	2,470,000	2,087,000
State income tax expense recognized of interest and penalties related to uncertain tax positions									400,000
Unrecognized tax benefits that would impact the company's effective tax rate	2,400,000								2,400,000
Indemnification arrangements									$ 800,000