Condensed Consolidated Statement Of Stockholders' Equity (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Loss [Member]	Treasury Stock [Member]	Retained Earnings (Deficit) [Member]	Total
Balance at December 31, 2013 at Dec. 31, 2013	$ 41	$ 297,997	$ (378)	$ (81,051)	$ 42,881	$ 259,490
Balance at December 31, 2013 (in shares) at Dec. 31, 2013	31,341					31,341,276
Proceeds from the exercise of stock options and sales of stock through the Employee Stock Purchase Plan		223				223
Proceeds from the exercise of stock options and sales of stock through the Employee Stock Purchase Plan, shares	35
Net tax benefit from stock option exercises and restricted stock vesting		491				491
Stock compensation related to restricted stock vesting and retirement savings plan contributions		3,053				3,053
Stock compensation related to restricted stock vesting and retirement savings plan contributions (in shares)	240
Purchases of treasury stock and buyback of shares for taxes				(2,329)		(2,329)
Purchases of treasury stock and buyback of shares for taxes (in shares)	(117)
Issuance of stock for acquisitions	1	13,224				13,225
Issuance of stock for acquisitions, shares	742
Net income					3,045	3,045
Foreign currency translation adjustment			(82)			(82)
Balance at March 31, 2014 at Mar. 31, 2014	$ 42	$ 314,988	$ (460)	$ (83,380)	$ 45,926	$ 277,116
Balance at March 31, 2014 (in shares) at Mar. 31, 2014	32,241					32,240,898