<PAGE>

Exhibit 11

ALLIN CORPORATION

CALCULATION OF NET LOSS PER COMMON SHARE

            (Dollars in thousands, except per share data)

<TABLE>
<CAPTION>
                                                                               Year                 Year               Year
                                                                               Ended               Ended               Ended
                                                                            December 31,         December 31,        December 31,
                                                                               1999                 2000                2001
                                                                            ------------        ------------        -------------
<S>                                                                       <C>                 <C>                 <C>
Loss from continuing operations                                           $      (2,374)      $      (2,583)      $      (11,257)

Loss from discontinued operations                                                  (302)               (371)                (689)
                                                                            ------------        ------------        -------------

Net loss                                                                         (2,676)             (2,954)             (11,946)

Accretion and dividends on preferred stock                                          699                 637                  660
                                                                            ------------        ------------        -------------

Net loss attributable to common shareholders                              $      (3,375)      $      (3,591)      $      (12,606)
                                                                            ============        ============        =============

Loss per common share from continuing
                  operations - basic and diluted                          $       (0.51)      $       (0.50)      $        (1.71)
                                                                            ============        ============        =============

Income (loss) per common share from
                  discontinued operations - basic and diluted             $       (0.05)      $       (0.06)      $        (0.10)
                                                                            ============        ============        =============

Net loss per common share - basic and diluted                             $       (0.56)      $       (0.56)      $        (1.81)
                                                                            ============        ============        =============

Weighted average common shares outstanding
                  during the period                                           5,989,177           6,371,827            6,966,365

Effect of restricted stock                                                      (17,176)                ---                  ---
                                                                            ------------        ------------        -------------

Shares used in calculating net loss per common share                          5,972,001           6,371,827            6,966,365
                                                                            ============        ============        =============

</TABLE>

