Accumulated Note
Common stock Additional other receivable Treasury Total
Number paid-in Accumulated   comprehensive   from stock, Deferred stockholders'
(in thousands, except share data) of shares Amount capital deficit income officer at cost compensation equity
Balance, January 1, 1996 6,793,065   $ 68  $ 38,121  $ (19,947 )     $  $ (139 )      $        $ (330 )  $ 17,773
Comprehensive income
  Net income for the year 5,073 5,073
    Unrealized gain on
      available-for-sale securities 62       62
Total comprehensive income $ 5,135
Issuance of common stock in follow-on
  public offering at $20.00* per share,
  net of offering costs 2,300,000 23 42,880 42,903
Other issuances of common stock 226,595 2 7,679 7,681
Three-for-two stock split 4,659,830 47 (47 )
Equity proceeds from Gell Pharmaceuticals
  relating to the put option 1,076 1,076
Amortization of stock option compensation 1,171 1,171
Amortization of deferred compensation 128 128
Reduction in notes receivable on
  common stock 10 10
Balance, December 31, 1996 13,979,490 $ 140 $ 90,880 $ (14,874 ) $ 62 $ (129 ) $ $ (202 ) $ 75,877
Comprehensive loss
  Net loss for the year (11,437 ) (11,437 )
  Other comprehensive income
    Unrealized gain on
      available-for-sale securities 364 364
Total comprehensive loss $ (11,073 )
Issuance of common stock in follow-on
  public offering at $20.00* per share,
  net of offering costs 3,737,500 37 70,429 70,466
Other issuances of common stock 1,670,956 17 22,911 (331 ) 22,597
Purchase of 35,547 shares of common stock (878 ) (878 )
Amortization of stock option compensation 985 985
Amortization of deferred compensation 251 251
Reduction in notes receivable on
  common stock 69 69
Balance, December 31, 1997 19,387,946 $ 194 $ 185,205 $ (26,311 ) $ 426 $ (60 ) $ (878 ) $ (282 ) $ 158,294
Comprehensive loss
  Net loss for the year (29,698 ) (29,698 )
  Other comprehensive income
    Unrealized gain on
      available-for-sale securities 450 450
Total comprehensive loss $ (29,248 )
Issuances of common stock 206,370 2 1,485 (191 ) 1,296
Purchase of 41,677 shares of common stock (521 ) (521 )
Stock option compensation 449 449
Amortization of deferred compensation 109 109
Balance, December 31, 1998 19,594,316 $ 196 $ 187,139 $ (56,009 ) $ 876 $ (60 ) $ (1,399 ) $ (364 ) $ 130,379

*Per share prices are pre-stock split

See accompanying notes to consolidated financial statements.