CONDENSED CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (UNAUDITED) (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock [Member]	Warrants to acquire Common Stock [Member]	Accumulated Deficit [Member]	Other Comprehensive Income (Loss) [Member]	Total
BALANCES at Dec. 31, 2011	$ 212,636	$ 17,946	$ (72,374)	$ 0	$ 158,208
BALANCES (in shares) at Dec. 31, 2011	94,936,000				94,936,282
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Consolidated net income	0	0	8,492	0	8,492
Exercise of stock options	155	0	0	0	155
Exercise of stock options (in shares)	89,000
Employee stock purchase plan issuances	368	0	0	0	368
Employee stock purchase plan issuances (in shares)	71,000
Amortization of deferred compensation related to restricted stock awards	4	0	0	0	4
Amortization of deferred compensation related to restricted stock awards (in shares)	0
Stock-based compensation expense	1,419	0	0	0	1,419
Foreign currency translation adjustment	0	0	0	(2,469)	(2,469)
Excess tax benefit - stock compensation	1,595	0	0	0	1,595
BALANCES at Mar. 31, 2012	$ 216,177	$ 17,946	$ (63,882)	$ (2,469)	$ 167,772
BALANCES (in shares) at Mar. 31, 2012	95,096,000				95,095,860