Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.2
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 (15,439) (15,439)
Foreign currency translation adjustment                             0 0 0 0 (356) 0 (356)
Unrealized loss on investments                             0 0 0 0 152 0 152
Stock based compensation expense                             $ 0 $ 0 0 2,479 0 0 2,479
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
Issuance of common stock (in shares) 0 1,920                                      
Issuance of common stock $ 0 $ 2 $ 0 $ 6,573 $ 0 $ 0 $ 6,575                            
Net Income (Loss) Attributable to Parent                             0 0 0 0 0 (15,439) (15,439)
Unrealized gain on investments                             $ 0 $ 0 0 0 152 0 152
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              
Balance (in shares) at Mar. 31, 2022                             16 74,098          
Balance at Mar. 31, 2022                             $ 0 $ 74 0 314,668 953 (262,245) 53,450
Net loss                             0 0 0 0 0 (10,338) (10,338)
Foreign currency translation adjustment                             0 0 0 0 (499) 0 (499)
Unrealized loss on investments                             0 0 0 0 171 0 171
Stock based compensation expense                             $ 0 $ 0 0 1,301 0 0 1,301
Issuance of common stock resulting from exercise of stock options (in shares)                             0 3          
Issuance of common stock resulting from exercise of stock options                             $ 0 $ 0 0 10 0 0 10
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
Issuance of common stock (in shares) 0 88                                      
Issuance of common stock $ 0 $ 0 0 166 0 0 166                            
Net Income (Loss) Attributable to Parent                             0 0 0 0 0 (10,338) (10,338)
Unrealized gain on investments                             $ 0 $ 0 0 0 171 0 171
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              
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 (9,207) (9,207)
Foreign currency translation adjustment                             0 0 0 0 45 0 45
Unrealized loss on investments                             0 0 0 0 72 0 72
Stock based compensation expense                             $ 0 $ 0 0 1,932 0 0 1,932
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
Issuance of common stock (in shares) 0 24,261                                      
Issuance of common stock $ 0 $ 24 0 19,651 0 0 19,675                            
Net Income (Loss) Attributable to Parent                             0 0 0 0 0 (9,207) (9,207)
Unrealized gain on investments                             $ 0 $ 0 0 0 72 0 72
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
Balance (in shares) at Mar. 31, 2023                             16 74,519          
Balance at Mar. 31, 2023                             $ 0 $ 74 0 319,414 (426) (303,604) 15,458
Net loss                             0 0 0 0 0 3,976 3,976
Foreign currency translation adjustment                             0 0 0 0 287 0 287
Unrealized loss on investments                             0 0 0 0 2 0 2
Stock based compensation expense                             $ 0 $ 0 0 1,048 0 0 1,048
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
Issuance of common stock (in shares) 0 24,261                                      
Issuance of common stock $ 0 $ 24 $ 0 $ 19,651 $ 0 $ 0 $ 19,675                            
Net Income (Loss) Attributable to Parent                             0 0 0 0 0 3,976 3,976
Unrealized gain on investments                             $ 0 $ 0 0 0 2 0 2
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