Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited)

v3.23.3
Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)
shares in Thousands, $ in Thousands
At the Market Offering [Member]
Preferred Stock [Member]
At the Market Offering [Member]
Common Stock [Member]
At the Market Offering [Member]
Receivables from Stockholder [Member]
At the Market Offering [Member]
Additional Paid-in Capital [Member]
At the Market Offering [Member]
AOCI Attributable to Parent [Member]
At the Market Offering [Member]
Retained Earnings [Member]
At the Market Offering [Member]
Private Placement [Member]
Preferred Stock [Member]
Private Placement [Member]
Common Stock [Member]
Private Placement [Member]
Receivables from Stockholder [Member]
Private Placement [Member]
Additional Paid-in Capital [Member]
Private Placement [Member]
AOCI Attributable to Parent [Member]
Private Placement [Member]
Retained Earnings [Member]
Private Placement [Member]
Preferred Stock [Member]
Common Stock [Member]
Receivables from Stockholder [Member]
Additional Paid-in Capital [Member]
AOCI Attributable to Parent [Member]
Retained Earnings [Member]
Total
Balance (in shares) at Dec. 31, 2021                             16 72,222          
Balance at Dec. 31, 2021                             $ 0 $ 72 $ 0 $ 306,998 $ 829 $ (257,144) $ 50,755
Net loss                             0 0 0 0 0 (25,175) (25,175)
Foreign currency translation adjustment                             0 0 0 0 (387) 0 (387)
Unrealized loss on investments                             0 0 0 0 82 0 82
Stock based compensation expense                             0 0 0 3,453 0 0 3,453
Issuance of common stock (in shares) 0 2,069                                      
Issuance of common stock $ 0 $ 2 $ 0 $ 6,838 $ 0 $ 0 $ 6,840                            
Unrealized gain on investments                             $ 0 $ 0 0 0 82 0 82
Issuance of common stock resulting from exercise of stock options (in shares)                             0 46          
Issuance of common stock resulting from exercise of stock options                             $ 0 $ 0 0 95 0 0 95
Issuance of common stock resulting from purchase of employee stock purchase plan shares (in shares)                             0 69          
Issuance of common stock resulting from purchase of employee stock purchase plan shares                             $ 0 $ 0 0 104 0 0 104
Balance (in shares) at Sep. 30, 2022               16 74,406                        
Balance at Sep. 30, 2022               $ 0 $ 74 $ 0 $ 317,488 $ 524 $ (282,319) $ 35,767              
Balance (in shares) at Jun. 30, 2022                             16 74,257          
Balance at Jun. 30, 2022                             $ 0 $ 74 0 316,249 625 (272,583) 44,365
Net loss                             0 0 0 0 0 (9,736) (9,736)
Foreign currency translation adjustment                             0 0 0 0 (31) 0 (31)
Unrealized loss on investments                             0 0 0 0 (70) 0 (70)
Stock based compensation expense                             0 0 0 974 0 0 974
Issuance of common stock (in shares) 0 149                                      
Issuance of common stock $ 0 $ 0 0 265 0 0 265                            
Unrealized gain on investments                             $ 0 $ 0 0 0 (70) 0 (70)
Balance (in shares) at Sep. 30, 2022               16 74,406                        
Balance at Sep. 30, 2022               $ 0 $ 74 $ 0 $ 317,488 $ 524 $ (282,319) $ 35,767              
Balance (in shares) at Dec. 31, 2022                             16 74,519          
Balance at Dec. 31, 2022                             $ 0 $ 74 0 318,530 (254) (290,421) 27,929
Net loss                             0 0 0 0 0 (19,959) (19,959)
Foreign currency translation adjustment                             0 0 0 0 (159) 0 (159)
Unrealized loss on investments                             0 0 0 0 74 0 74
Stock based compensation expense                             0 0 0 2,898 0 0 2,898
Issuance of common stock (in shares) 0 24,261                                      
Issuance of common stock $ 0 $ 24 $ 0 $ 19,651 $ 0 $ 0 $ 19,675                            
Unrealized gain on investments                             $ 0 $ 0 0 0 74 0 74
Issuance of common stock resulting from purchase of employee stock purchase plan shares (in shares)                             0 72          
Issuance of common stock resulting from purchase of employee stock purchase plan shares                             $ 0 $ 1 0 51 0 0 52
Balance (in shares) at Sep. 30, 2023                             16 98,852          
Balance at Sep. 30, 2023                             $ 0 $ 99 0 341,130 (339) (310,380) 30,510
Balance (in shares) at Jun. 30, 2023                             16 98,852          
Balance at Jun. 30, 2023                             $ 0 $ 99 0 340,164 (137) (299,628) 40,498
Net loss                             0 0 0 0 0 (10,752) (10,752)
Foreign currency translation adjustment                             0 0 0 0 (204) 0 (204)
Unrealized loss on investments                             0 0 0 0 2 0 2
Stock based compensation expense                             0 0 0 966 0 0 966
Unrealized gain on investments                             $ 0 $ 0 0 0 2 0 2
Balance (in shares) at Sep. 30, 2023                             16 98,852          
Balance at Sep. 30, 2023                             $ 0 $ 99 $ 0 $ 341,130 $ (339) $ (310,380) $ 30,510