1 EXHIBIT 12 COMPUTATION OF THE RATIO OF EARNINGS TO FIXED CHARGES (IN THOUSANDS) YEAR ENDED DECEMBER 31, ----------------------------------------------------- 1995 1996 1997 1998 1999 --------- --------- --------- --------- --------- EARNINGS Pre-tax income (loss)......................... $ (4,544) $ (2,389) $ 1,576 $ 6,361 $ 7,798 Add: fixed charges........................... 857 1,194 1,523 1,964 8,504 --------- --------- --------- --------- --------- Total earnings..................................... $ (3,687) $ (1,195) $ 3,099 $ 8,325 $ 16,302 ========= ========= ========= ========= ========= FIXED CHARGES Interest expense.............................. $ 277 $ 373 $ 428 $ 777 $ 6,195 Rent expense included in fixed charges........ 580 821 1,095 1,169 2,309 --------- --------- --------- --------- --------- Total fixed charges................................ $ 857 $ 1,194 $ 1,523 $ 1,946 $ 8,504 ========= ========= ========= ========= ========= RATIO OF EARNINGS TO FIXED CHARGES................. --* --* 2.0 4.3 1.9 * For the years ended December 31, 1995 and 1996, earnings were insufficient to cover fixed charges by approximately $2,830 and $1, respectively.