CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Loss [Member]
Balances	$ 151,385	$ 362	$ 207,881	$ (56,793)	$ (65)
Balances (in shares)		36,225
Net income	7,558			7,558
Stock-based compensation expense	2,609		2,609
Equity component of convertible senior notes, net of tax	20,104		20,104
Purchase of note hedges, net of tax	(19,324)		(19,324)
Sale of warrants	$ 15,991		15,991
Issuance of shares for restricted stock awards		$ 1	(1)
Issuance of shares for restricted stock awards (in shares)		116
Shares issued on net share settlement of equity awards	$ (2,478)	$ 1	(2,479)
Shares issued on net share settlement of equity awards (in shares)		86
Exercise of stock options	$ 487	$ 2	485
Exercise of stock options (in shares)	127	127
Balances	$ 176,332	$ 366	$ 225,266	$ (49,235)	$ (65)
Balances (in shares)		36,554