Consolidated Statements Of Shareholders' Equity And Comprehensive Income (Loss) (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Common Stock In Treasury [Member]	Total
BALANCE at Dec. 31, 2008	$ 17	$ 149,298	$ 57,497	$ 5,742	$ (246)	$ 212,308
BALANCE (Shares) at Dec. 31, 2008	16,698,552
Net income (loss)			(10,582)			(10,582)
Currency translation adjustment				619		619
Comprehensive income (loss)						(9,963)
Stock compensation expense		2,449				2,449
Issuance of restricted stock (Shares)	42,487
Stock issued for iQvolution milestone earn-outs		546				546
Stock issued for iQvolution milestone earn-outs (Shares)	30,692
Stock options exercised		83				83
Stock options exercised (Shares)	7,750
Tax benefit from employee stock option exercises		4				4
Stock Buy Back					(8,829)	(8,829)
Stock Buy Back (Shares)	(624,427)
BALANCE at Dec. 31, 2009	17	152,380	46,915	6,361	(9,075)	196,598
BALANCE (Shares) at Dec. 31, 2009	16,155,054
Net income (loss)			11,068			11,068
Currency translation adjustment				881		881
Comprehensive income (loss)						11,949
Stock compensation expense	149	2,416				2,416
Issuance of restricted stock		(24)				(24)
Issuance of restricted stock (Shares)	23,181
Stock options exercised		1,405				1,405
Stock options exercised (Shares)	75,755
Tax benefit from employee stock option exercises		133				133
BALANCE at Dec. 31, 2010	17	156,310	57,983	7,242	(9,075)	212,477
BALANCE (Shares) at Dec. 31, 2010	16,254,139
Net income (loss)			23,377			23,377
Currency translation adjustment				(1,426)		(1,426)
Comprehensive income (loss)						21,951
Stock compensation expense		2,767				2,767
Issuance of restricted stock		(40)				(40)
Issuance of restricted stock (Shares)	15,039
Stock options exercised		9,150				9,150
Stock options exercised (Shares)	471,697					471,697
Tax benefit from employee stock option exercises		1,593				1,593
BALANCE at Dec. 31, 2011	$ 17	$ 169,780	$ 81,360	$ 5,816	$ (9,075)	$ 247,898
BALANCE (Shares) at Dec. 31, 2011	16,740,875