Accumu- lated Other Total Common Stock Additional Compre- Stock- Compre- Number of $.01 Par Paid-in Retained hensive holders’ hensive Shares Value Capital Earnings Loss Equity Income Balance,  December 31, 1999 19,408 $194 $ 54,771 $24,434 $(594) $ 78,805 Issuance of  common stock  in public offering,  net of issuance  costs of  approximately $65 626 6 22,653 — — 22,659 Issuance of  common stock  under stock option  plans, including  tax benefit 1,715 17 51,259  — — 51,276 Issuance of  common stock  under employee  stock purchase  plan, including tax benefit 63 1  2,335 — — 2,336 Net income — — — 21,614 — 21,614 $21,614 Unrealized gain  on marketable securities, net  of tax provision — — — — 496 496 496 Cumulative  translation  adjustment — — — — (258) (258) (258) Total  comprehensive  income $21,852 Balance,  December 31, 2000 21,812 $218 $131,018 $46,048 $(356) $176,928 (The accompanying notes are an integral part of these consolidated financial statements.)