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CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common Shares
Additional paid in capital
Accumulated Deficit
Beginning Balance at Jun. 30, 2019 $ 47,930 $ 73,545 $ 279,148 $ (231,218)
Net loss (2,994)     (2,994)
Issuance of common stock 159 64 159  
Exercise of stock options 72 46 72  
Share-based compensation expense 2,113   2,113  
Ending Balance at Sep. 30, 2019 47,280 73,655 281,492 (234,212)
Beginning Balance at Jun. 30, 2019 47,930 73,545 279,148 (231,218)
Net loss (23,211)      
Ending Balance at Dec. 31, 2019 77,285 105,999 331,714 (254,429)
Beginning Balance at Sep. 30, 2019 47,280 73,655 281,492 (234,212)
Net loss (20,217)     (20,217)
Issuance of common stock 48,451 32,344 48,451  
Share-based compensation expense 1,771   1,771  
Ending Balance at Dec. 31, 2019 77,285 105,999 331,714 (254,429)
Beginning Balance at Jun. 30, 2020 78,218 111,514 355,452 (277,234)
Net loss (2,092)     (2,092)
Issuance of common stock 3,136 958 3,136  
Exercise of stock options 124 50 124  
Share-based compensation expense 2,942   2,942  
Ending Balance at Sep. 30, 2020 82,328 112,522 361,654 (279,326)
Beginning Balance at Jun. 30, 2020 78,218 111,514 355,452 (277,234)
Net loss (13,546)      
Ending Balance at Dec. 31, 2020 73,498 112,528 364,278 (290,780)
Beginning Balance at Sep. 30, 2020 82,328 112,522 361,654 (279,326)
Net loss (11,454)     (11,454)
Exercise of stock options 15 6 15  
Share-based compensation expense 2,609   2,609  
Ending Balance at Dec. 31, 2020 $ 73,498 $ 112,528 $ 364,278 $ (290,780)